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Lee S, Jung JY, Chung H, Lee HS, Nickel D, Lee J, Lee SY. Comparative analysis of image quality and interchangeability between standard and deep learning-reconstructed T2-weighted spine MRI. Magn Reson Imaging 2024; 109:211-220. [PMID: 38513791 DOI: 10.1016/j.mri.2024.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/28/2024] [Accepted: 03/16/2024] [Indexed: 03/23/2024]
Abstract
RATIONALE AND OBJECTIVES MRI reconstruction of undersampled data using a deep learning (DL) network has been recently performed as part of accelerated imaging. Herein, we compared DL-reconstructed T2-weighted image (T2-WI) to conventional T2-WI regarding image quality and degenerative lesion detection. MATERIALS AND METHODS Sixty-two patients underwent C-spine (n = 27) or L-spine (n = 35) MRIs, including conventional and DL-reconstructed T2-WI. Image quality was assessed with non-uniformity measurement and 4-scale grading of structural visibility. Three readers (R1, R2, R3) independently assessed the presence and types of degenerative lesions. Student t-test was used to compare non-uniformity measurements. Interprotocol and interobserver agreement of structural visibility was analyzed with Wilcoxon signed-rank test and weighted-κ values, respectively. The diagnostic equivalence of degenerative lesion detection between two protocols was assessed with interchangeability test. RESULTS The acquisition time of DL-reconstructed images was reduced to about 21-58% compared to conventional images. Non-uniformity measurement was insignificantly different between the two images (p-value = 0.17). All readers rated DL-reconstructed images as showing the same or superior structural visibility compared to conventional images. Significantly improved visibility was observed at disk margin of C-spine (R1, p < 0.001; R2, p = 0.04) and dorsal root ganglia (R1, p = 0.03; R3, p = 0.02) and facet joint (R1, p = 0.04; R2, p < 0.001; R3, p = 0.03) of L-spine. Interobserver agreements of image quality were variable in each structure. Clinical interchangeability between two protocols for degenerative lesion detection was verified showing <5% in the upper bounds of 95% confidence intervals of agreement rate differences. CONCLUSIONS DL-reconstructed T2-WI demonstrates comparable image quality and diagnostic performance with conventional T2-WI in spine imaging, with reduced acquisition time.
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Affiliation(s)
- Seungeun Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Joon-Yong Jung
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea.
| | - Heeyoung Chung
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Hyun-Soo Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; Siemens Healthineers, Seoul 06620, Republic of Korea.
| | - Dominik Nickel
- Siemens Healthcare GmbH, Allee am Roethelheimpark, Erlangen 91052, Germany.
| | - Jooyeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; Department of Biostatistics and Data Science, The University of Texas Health Science Center at Houston, School of Public Health, Houston, TX 77030, USA.
| | - So-Yeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
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Shin YH, Kim JH, Lee SH, Lee SY, Park YM, Choi EJ, Paek EY, Song KB, Park MJ, Jung S, Yoon J, Suh DI, Kim KW, Ahn K, Hong SJ. Allergic rhinitis phenotypes with distinct transcriptome profiles in children: A birth cohort. J Allergy Clin Immunol 2024; 153:1319-1329. [PMID: 38242217 DOI: 10.1016/j.jaci.2023.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 11/23/2023] [Accepted: 12/18/2023] [Indexed: 01/21/2024]
Abstract
BACKGROUND Allergic rhinitis (AR) phenotypes in childhood are unclear. OBJECTIVES This study sought to determine AR phenotypes and investigate their natural course and clinical and transcriptomic characteristics. METHODS Latent class trajectory analysis was used for phenotyping AR in 1050 children from birth through 12 years using a birth cohort study. Blood transcriptome analyses were performed to define the underlying mechanisms of each phenotype. RESULTS Five AR phenotypes were identified: early onset (n = 88, 8.4%), intermediate transient (n = 110, 10.5%), late onset (n = 209, 19.9%), very late onset (n=187, 17.8%), and never/infrequent (n = 456, 43.4%). Children with early-onset AR were associated with higher AR severity and sensitizations to foods at age 1 year and inhalants at age 3 years and asthma symptoms, but not with bronchial hyperresponsiveness (BHR). Children with late-onset AR phenotype associated with sensitizations to various foods at age 1 year but not from age 3 years, and to inhalants from age 7 years and with asthma with BHR. Children with very late-onset AR phenotype associated with sensitizations to foods throughout preschool age and to inhalants at ages 7 and 9 years and with asthma with BHR. Transcriptome analysis showed that early-onset AR was associated with viral/bacterial infection-related defense response, whereas late-onset AR was associated with T cell-related immune response. CONCLUSIONS Early-onset AR phenotype was associated with sensitization to foods and inhalants at an early age and asthma symptoms, but not with BHR, whereas very late- and late-onset AR phenotypes were positively associated with sensitization to inhalants and asthma with BHR. Transcriptomic analyses indicated that early- and late-onset AR phenotypes had distinct underlying mechanisms related to AR as well.
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Affiliation(s)
- Youn Ho Shin
- Department of Pediatrics, The Catholic University of Korea, Yeouido St Mary's Hospital, Seoul, Korea
| | - Jeong-Hyun Kim
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Si-Hyeon Lee
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Gyeongsang National University Changwon Hospital, Changwon, Korea
| | - Yoon Mee Park
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Eum Ji Choi
- Department of Pediatrics, Childhood Asthma Atopy Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Eun Young Paek
- Department of Pediatrics, Gyeongsang National University Changwon Hospital, Changwon, Korea
| | - Kun-Baek Song
- Department of Pediatrics, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Min Ji Park
- Department of Pediatrics, Hallym Sacred Heart Hospital, Anyang, Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jisun Yoon
- Department of Pediatrics, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Kyung Won Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Gyeongsang National University Changwon Hospital, Changwon, Korea.
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Basak I, Wicky HE, McDonald KO, Xu JB, Palmer JE, Best HL, Lefrancois S, Lee SY, Schoderboeck L, Hughes SM. Correction: A lysosomal enigma CLN5 and its significance in understanding neuronal ceroid lipofuscinosis. Cell Mol Life Sci 2024; 81:45. [PMID: 38236309 PMCID: PMC10796411 DOI: 10.1007/s00018-023-05047-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/10/2023] [Indexed: 01/19/2024]
Affiliation(s)
- I Basak
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand
| | - H E Wicky
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand
| | - K O McDonald
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand
| | - J B Xu
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand
| | - J E Palmer
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand
| | - H L Best
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand
- School of Biosciences, Cardiff University, Sir Martin Evans Building, Museum Avenue, CF10 3AX, Wales, UK
| | - S Lefrancois
- Centre INRS-Institut Armand-Frappier, INRS, H7V 1B7, Laval, Canada
- Department of Anatomy and Cell Biology, McGill University, H3A 2B2, Montreal, Canada
| | - S Y Lee
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, 66160, Kansas City, KS, USA
| | - L Schoderboeck
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand
| | - S M Hughes
- Neurodegenerative and Lysosomal Disease Laboratory, Department of Biochemistry, School of Biomedical Sciences, Brain Health Research Centre, University of Otago, 710 Cumberland Street, Dunedin, 9016, New Zealand.
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Kim JC, Choi MG, Park JS, Lee SY, Park CW, Chung BY, Misery L, Kim HO. Sensitive skin is associated with contact sensitization and decreased nociceptive threshold. J Eur Acad Dermatol Venereol 2024; 38:e125-e127. [PMID: 37556672 DOI: 10.1111/jdv.19398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 08/03/2023] [Indexed: 08/11/2023]
Affiliation(s)
- J C Kim
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, South Korea
| | - M G Choi
- Department of Computer Science, Kwangwoon University, Seoul, South Korea
| | - J S Park
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, South Korea
| | - S Y Lee
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, South Korea
| | - C W Park
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, South Korea
| | - B Y Chung
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, South Korea
| | - L Misery
- Department of Dermatology, University Hospital of Brest, Brest, France
| | - H O Kim
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, South Korea
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Lee E, Lee SY, Kim HB, Yang SI, Yoon J, Suh DI, Oh HY, Ahn K, Kim KW, Shin YH, Hong SJ. Insights from the COCOA birth cohort: The origins of childhood allergic diseases and future perspectives. Allergol Int 2024; 73:3-12. [PMID: 37752021 DOI: 10.1016/j.alit.2023.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 08/31/2023] [Indexed: 09/28/2023] Open
Abstract
The ongoing COhort for Childhood Origin of Asthma and allergic diseases (COCOA) study is a prospective birth cohort investigating the origin and natural courses of childhood allergic diseases, including atopic dermatitis, food allergy, allergic rhinitis and asthma, with long-term prognosis. Initiated under the premise that allergic diseases result from a complex interplay of immune development alterations, environmental exposures, and host susceptibility, the COCOA study explores these dynamic interactions during prenatal and postnatal periods, framed within the hygiene and microbial hypotheses alongside the developmental origins of health and disease (DOHaD) hypothesis. The scope of the COCOA study extends to genetic predispositions, indoor and outdoor environmental variables affecting mothers and their offsprings such as outdoor and indoor air pollution, psychological factors, diets, and the microbiomes of skin, gut, and airway. We have embarked on in-depth investigations of diverse risk factors and the pathophysiological underpinnings of allergic diseases. By employing multi-omics approaches-proteomics, transcriptomics, and metabolomics-we gain deeper insights into the distinct pathophysiological processes across various endotypes of childhood allergic diseases, incorporating the exposome using extensive resources within the COCOA study. Integration with large-scale datasets, such as national health insurance records, enhances robustness and mitigates potential limitations inherent to birth cohort studies. As part of global networks focused on childhood allergic diseases, the COCOA study fosters collaborative research across multiple cohorts. The findings from the COCOA study are instrumental in informing precision medicine strategies for childhood allergic diseases, underpinning the establishment of disease trajectories.
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Affiliation(s)
- Eun Lee
- Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, South Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Hyo-Bin Kim
- Department of Pediatrics, Inje University Sanggye Paik Hospital, Seoul, South Korea
| | - Song-I Yang
- Department of Pediatrics, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, South Korea
| | - Jisun Yoon
- Department of Pediatrics, Chung-Ang University College of Medicine, Chung-Ang University Gwangmyeong Hospital, Gwangmyeong, South Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, South Korea
| | - Hea Young Oh
- Department of Medicine, University of Ulsan College of Medicine, Seoul, South Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Kyung Won Kim
- Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Youn Ho Shin
- Department of Pediatrics, The Catholic University of Korea, Yeouido St. Mary's Hospital, Seoul, South Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
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Kim DK, Lee SY, Lee J, Huh YJ, Lee S, Lee S, Jung JY, Lee HS, Benkert T, Park SH. Deep learning-based k-space-to-image reconstruction and super resolution for diffusion-weighted imaging in whole-spine MRI. Magn Reson Imaging 2024; 105:82-91. [PMID: 37939970 DOI: 10.1016/j.mri.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/30/2023] [Accepted: 11/04/2023] [Indexed: 11/10/2023]
Abstract
PURPOSE To assess the feasibility of deep learning (DL)-based k-space-to-image reconstruction and super resolution for whole-spine diffusion-weighted imaging (DWI). METHOD This retrospective study included 97 consecutive patients with hematologic and/or oncologic diseases who underwent DL-processed whole-spine MRI from July 2022 to March 2023. For each patient, conventional (CONV) axial single-shot echo-planar DWI (b = 50, 800 s/mm2) was performed, followed by DL reconstruction and super resolution processing. The presence of malignant lesions and qualitative (overall image quality and diagnostic confidence) and quantitative (nonuniformity [NU], lesion contrast, signal-to-noise ratio [SNR], contrast-to-noise ratio [CNR], and ADC values) parameters were assessed for DL and CONV DWI. RESULTS Ultimately, 67 patients (mean age, 63.0 years; 35 females) were analyzed. The proportions of vertebrae with malignant lesions for both protocols were not significantly different (P: [0.55-0.99]). The overall image quality and diagnostic confidence scores were higher for DL DWI (all P ≤ 0.002) than CONV DWI. The NU, lesion contrast, SNR, and CNR of each vertebral segment (P ≤ 0.04) but not the NU of the sacral segment (P = 0.51) showed significant differences between protocols. For DL DWI, the NU was lower, and lesion contrast, SNR, and CNR were higher than those of CONV DWI (median values of all segments; 19.8 vs. 22.2, 5.4 vs. 4.3, 7.3 vs. 5.5, and 0.8 vs. 0.7). Mean ADC values of the lesions did not significantly differ between the protocols (P: [0.16-0.89]). CONCLUSIONS DL reconstruction can improve the image quality of whole-spine diffusion imaging.
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Affiliation(s)
- Dong Kyun Kim
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - So-Yeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
| | - Jinyoung Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yeon Jong Huh
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seungeun Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sungwon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Joon-Yong Jung
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyun-Soo Lee
- MR research Collaboration, Siemens Healthineers Ltd, Seoul, Republic of Korea
| | - Thomas Benkert
- MR Application Predevelopment, Siemens Healthcare GmbH, Erlangen, Germany
| | - Sung-Hong Park
- Department of Bio and Brain Engineering, KAIST, Daejeon, Republic of Korea
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Oh HY, Kim JH, Yeom J, Nam MH, Park YM, Lee SY, Hong SJ. Different mechanisms distinguishing childhood allergic diseases including allergic march. Allergy 2023; 78:2786-2789. [PMID: 37497847 DOI: 10.1111/all.15831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 07/17/2023] [Indexed: 07/28/2023]
Affiliation(s)
- Hea Young Oh
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Jeong-Hyun Kim
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Jeonghun Yeom
- Convergence Medicine Research Center, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Myung Hee Nam
- Seoul Center, Korea Basic Science Institute, Seoul, Korea
| | - Yoon Mee Park
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Pyo JH, Lee SY, Lee IJ, Kim SM, Kim JW. Beneficial Role of Multi-Disciplinary Treatment for Anaplastic Thyroid Cancer with Initial Distant Metastasis. Int J Radiat Oncol Biol Phys 2023; 117:e616-e617. [PMID: 37785850 DOI: 10.1016/j.ijrobp.2023.06.1996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Anaplastic thyroid cancer (ATC) is a rare, highly aggressive tumor, with median survival around 5 months. Approximately half of the ATC patients presents with distant metastases at diagnosis, showing even more devastating prognosis, yet no outcome analysis had been reported. In this study, we aim to evaluate the clinical outcome of M1 ATC patients, and to define the group of patients who would benefit from local treatment based on multi-disciplinary approach. MATERIALS/METHODS A total of 133 histology-confirmed ATC patients underwent protocol-based multidisciplinary treatment including surgery and chemoradiotherapy (CRT) between May 2016 and January 2022. Patients received intensity-modulated radiotherapy of 30 fractions concurrently with paclitaxel on days 1, 8 and 15 every 4 weeks, and lenvatinib was added upon progression. After 18 fractions of CRT, interim response analysis using modified RECIST was conducted for adaptive treatment planning. We reviewed 58 patients with distant metastasis at diagnosis (stage IVC). Overall survival (OS) and progression-free survival (PFS) were measured from the day of diagnosis. RESULTS Most common metastatic site was lung (91.4%), followed by bone (31.0%) and brain (5.2%). Lenvatinib was added for 35 patients after any sign of progression. Fourteen patients received upfront surgery (16 debulking and 5 total) followed by adjuvant CRT in 16 patients. Thirty-one patients received upfront CRT with 2 patients receiving total resection after sufficient down-staging. Six (10%) patients could not complete radiotherapy but continued receiving systemic treatment. The median follow-up was 5.9 months. The median and 1-year OS were 6.2 months and 20.5%, and PFS were 3.7 months and 3.5%. Total RT dose over 60 Gy significantly improved median OS (7.5 vs 4.1 months, p = 0.012) and median PFS (4.4 vs 3.0, p = 0.010). Patients with less than 10 initial metastatic tumors showed better median OS (9.1 vs 4.6 months, p = 0.002) but not PFS (5.1 vs 3.6, p = 0.485). At interim analysis, early response (CR, PR and SD) of primary tumor was not associated with survival, while progression of distant metastases showed significantly worse median OS (9.8 vs 4.6 months, p = 0.001). More than 10 metastatic tumors (HR 2.73, 95% CI 1.32-5.66) and stable metastasis at interim analysis (HR 2.39, 95% CI 1.04-5.48) remained as significant factor in the multivariable cox regression analysis. Median OS and PFS of patients with less than 10 metastases showing no progression at interim analysis were 9.1 months, and 5.1 months. CONCLUSION Local treatment combined with chemotherapy for M1 ATC patients showed outcome comparable to those of non-metastatic ATC results. Active local treatment should be considered especially for patients with less than 10 metastases, and patients without distant progression in early response evaluation.
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Affiliation(s)
- J H Pyo
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - S Y Lee
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - I J Lee
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - S M Kim
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - J W Kim
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
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Kim JY, Lee HY, Lee SY, Kim SY, Park JL, Lee SD. DNA methylome profiling of blood to identify individuals in a pair of monozygotic twins. Genes Genomics 2023; 45:1273-1279. [PMID: 37198375 PMCID: PMC10504115 DOI: 10.1007/s13258-023-01396-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 04/30/2023] [Indexed: 05/19/2023]
Abstract
BACKGROUND Short tandem repeat (STR) markers cannot be used to distinguish between genetically identical monozygotic (MZ) twins, causing problems in a case with an MZ twin as a suspect. Many studies have shown that in older MZ twins, there are significant differences in overall content and genomic distribution of methylation. OBJECTIVE In this study, we analyzed the DNA methylome profile of blood to identify recurrent differentially methylated CpG sites (DMCs) to discriminate between MZ twins. METHODS Blood samples were collected from 47 paired MZ twins. We performed the DNA methylation profiling using the HumanMethylation EPIC BeadChip platform and identified recurrent DMCs between MZ twins. Then, Kyoto Encyclopedia of Genes and Genomes (KEGG), Gene Ontology (GO), and motif enrichment analyses were performed to reveal the biological functions of recurrent DMCs. We collected DNA methylome data from the Gene Expression Omnibus (GEO) public database to verify the recurrent DMCs between MZ twins. RESULTS We identified recurrent DMCs between MZ twin samples and observed that they were enriched in immune-related genes. In addition, we verified our DMCs in a public dataset. CONCLUSION Our results suggest that the methylation level at recurrent DMCs between MZ twins may serve as a valuable biomarker for identification of individuals in a pair of MZ twins.
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Affiliation(s)
- Jae-Yoon Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, 34141, Korea
| | - Hwan Young Lee
- Department of Forensic Medicine, Seoul National University College of Medicine, Seoul, 03080, Korea
- Institute of Forensic and Anthropological Science, Seoul National University College of Medicine, Seoul, 03080, Korea
| | - So-Yeon Lee
- Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon, 34134, Korea
| | - Seon-Young Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, 34141, Korea
| | - Jong-Lyul Park
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, 34141, Korea.
- Aging Convergence Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, 34141, Korea.
| | - Soong Deok Lee
- Department of Forensic Medicine, Seoul National University College of Medicine, Seoul, 03080, Korea.
- Institute of Forensic and Anthropological Science, Seoul National University College of Medicine, Seoul, 03080, Korea.
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Kim HB, Lim H, Kim S, Lee SY, Kim HC, Kang MJ, Park M, Jung S, Yoon J, Cho HJ, Yang SI, Hong SJ. Particulate matter exposure during pregnancy increases risk of childhood asthma: modified by gender and NRF2 genotype. Asian Pac J Allergy Immunol 2023; 41:220-226. [PMID: 35278062 DOI: 10.12932/ap-120421-1109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Exposure to particulate matter (PM) has been known to develop asthma in children and the oxidative stress-related mechanisms are suggested. For the development of asthma, not only the exposure dose but also the critical window and the risk modifying factors should be evaluated. OBJECTIVE We investigated whether prenatal exposure to PM10 increases the risk of childhood asthma and evaluated the modifying factors, such as gender and reactive oxidative stress-related gene. METHODS A general population-based birth cohort, the Panel Study of Korean Children (PSKC), including 1572 mother-baby dyads was analyzed. Children were defined to have asthma at age 7 when a parent reported physician-diagnosed asthma. Exposure to PM10 during pregnancy was estimated by land-use regression models based on national monitoring system. TaqMan method was used for genotyping nuclear factor, erythroid 2-related factor, NRF2 (rs6726395). A logistic Bayesian distributed lag interaction model (BDLIM) was used to evaluate the associations between prenatal PM10 exposure and childhood asthma by gender and NRF2. RESULTS Exposure to PM10 during pregnancy was associated with the development of asthma (aOR 1.03, 95% CI 1.001.06). Stratifying by gender and NRF2 genotype, exposure to PM10 during 26-28 weeks gestation increased the risk of childhood asthma, especially in boys with NRF2 GG genotype. CONCLUSIONS A critical window for PM10 exposure on the development of childhood asthma was during 26-28 weeks of gestation, and this was modified by gender and NRF2 genotype.
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Affiliation(s)
- Hyo-Bin Kim
- Department of Pediatrics, Inje University Sanggye Paik Hospital, Seoul, Korea
| | - Hyeyeun Lim
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sangrok Kim
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hwan-Cheol Kim
- Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Korea
| | - Mi-Jin Kang
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Minjee Park
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jisun Yoon
- Department of Pediatrics, Chung-Ang University Gwang-Myeong Hospital, Chung-Ang University College of Medicine, Gwang-Myeong, Korea
| | - Hyun-Ju Cho
- Department of Pediatrics, International St. Mary's Hospital, Catholic Kwandong University Hospital, Incheon, Korea
| | - Song-I Yang
- Department of Pediatrics, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Kim J, Park YM, Lee SY, Kim BS, Lee YK, Lee DW, Nam MH, Hong SJ. Metabolomics revealed alterations in serum lipid metabolite levels in childhood atopic dermatitis. Pediatr Allergy Immunol 2023; 34:e14021. [PMID: 37747754 DOI: 10.1111/pai.14021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 08/14/2023] [Accepted: 08/21/2023] [Indexed: 09/26/2023]
Affiliation(s)
- Jinwoo Kim
- Seoul Center, Korea Basic Science Institute (KBSI), Seoul, South Korea
| | - Yoon Mee Park
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, South Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Bong-Soo Kim
- Department of Life Science, Hallym University, Chuncheon, South Korea
| | - Yun Kyung Lee
- Department of Integrated Biomedical Science, Soonchunhyang Institute of Medi-Bio Science, Soonchunhyang University, Cheonan, South Korea
| | - Dong-Woo Lee
- Department of Biotechnology, Yonsei University, Seoul, South Korea
| | - Myung Hee Nam
- Seoul Center, Korea Basic Science Institute (KBSI), Seoul, South Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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12
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Kim DK, Jung JY, Kim H, Lee S, Lee SY, Lee S, Park SS, Min CK. Development of a Semiquantitative Whole-Body MRI Scoring System for Multiple Myeloma. Radiology 2023; 308:e230667. [PMID: 37668524 DOI: 10.1148/radiol.230667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
Background In patients with multiple myeloma (MM), the serum marker β2-microglobulin does not always accurately reflect tumor load. In contrast, whole-body (WB) MRI has shown high sensitivity for detecting bone lesions. Purpose To develop and validate a semiquantitative WB MRI scoring system for newly diagnosed MM and to compare it with the International Staging System (ISS) and Revised ISS (R-ISS). Materials and Methods This study included two retrospective groups (group 1, July 2015 to September 2021; group 2, February 2020 to September 2021) and one prospective group (group 3, October 2021 to February 2022) of patients with newly diagnosed MM. A new scoring system for MM was developed using spine MRI scans in group 1 and WB MRI scans in group 2 that integrated three features: (a) background marrow pattern, (b) number of focal bone lesions, and (c) presence of extramedullary or paramedullary lesions. The summed total score ranged from zero to nine. The interobserver agreement for each feature was assessed using Fleiss or Cohen weighted κ. WB MRI total scores in group 3 were compared across ISS and R-ISS stages using two-way analysis of variance. Results Groups 1, 2, and 3 included 103 patients (mean age, 62.1 years ± 9.1 [SD]; 60 men), 36 patients (mean age 65.4 years ± 11.3 [SD]; 19 women), and 39 participants (mean age, 62.0 years ± 11.7 [SD]; 20 men), respectively. The interobserver agreements for the three features composing the scoring system were substantial (κ range, 0.69-0.80). WB MRI total score increased with increasing ISS stage (mean score for ISS 1, 2, and 3 was 2.2, 4.2, and 5.8, respectively; P = .009) and R-ISS stage (mean score for R-ISS 1, 2, and 3 was 2.1, 3.8, and 5.9, respectively; P = .005). Conclusion The developed WB MRI scoring system for MM demonstrated substantial observer agreement and corresponded well with ISS and R-ISS stages. © RSNA, 2023 Supplemental material is available for this article. See also the editorial by Dragan and Messiou in this issue.
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Affiliation(s)
- Dong Kyun Kim
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Joon-Yong Jung
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Hyeonseon Kim
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Sungwon Lee
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - So-Yeon Lee
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Seungeun Lee
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Sung-Soo Park
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Chang-Ki Min
- From the Departments of Radiology (D.K.K., J.Y.J., H.K., Sungwon Lee, S.Y.L., Seungeun Lee) and Hematology (S.S.P., C.K.M.), Seoul St Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
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Lee SH, Kim HJ, Lee SY, Hong SJ. Broncho-Vaxom bacterial lysate prevents asthma via acetate enhancement in mouse model. Pediatr Allergy Immunol 2023; 34:e14018. [PMID: 37747743 DOI: 10.1111/pai.14018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 08/02/2023] [Accepted: 08/07/2023] [Indexed: 09/26/2023]
Abstract
PURPOSE Broncho-Vaxom (BV) is known to attenuate allergic airway inflammation and chronic bronchitis in humans, but the underlying mechanism of this gut-mediated immunity remains unclear. This study investigated the effects of an oral BV on gut and systemic short-chain fatty acids (SCFAs) and immune responses. METHODS Oral BV was administered daily for 15 days prior to commencing the study in an asthma mouse model. Asthma was induced by ovalbumin (OVA) sensitization followed by a challenge with 1% OVA by inhalation. Asthmatic phenotypes, gut- and systemic- immune responses, and SCFAs in the cecum and blood were then investigated. RESULTS Airway hyperresponsiveness, total immunoglobulin E production, and pulmonary inflammation were all significantly suppressed by BV. The interleukin-13 level was also suppressed, whereas TGF-β expression was increased, in the lungs of the BV-treated mice. The regulatory T (Treg) cell numbers were increased in the small intestine, and the acetate level was increased in the cecum and serum after BV treatment. The levels of acetate in the cecum and serum were negatively correlated with airway hyperresponsiveness and with the eosinophil numbers in the BAL fluid of the OVA-induced mice. There was a positive correlation between the acetate levels in the feces and serum and the lung expression of TGF-β in the asthma mice. CONCLUSIONS Oral BV administration appears to prevent allergic inflammation by enhancing Treg cell proliferation and acetate production in an asthmatic mouse model.
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Affiliation(s)
- Seung-Hwa Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, South Korea
| | - Ha-Jung Kim
- Department of Internal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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Lee SY, Park JL, Kim K, Bae JS, Kim JY, Kim SY, Jung CK. Identification of NIFTP-Specific mRNA Markers for Reliable Molecular Diagnosis of Thyroid Tumors. Endocr Pathol 2023; 34:311-322. [PMID: 37658903 PMCID: PMC10511606 DOI: 10.1007/s12022-023-09781-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/03/2023] [Indexed: 09/05/2023]
Abstract
Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is a low-risk thyroid tumor with a favorable prognosis. Nonetheless, differentiating NIFTP from other thyroid tumors remains challenging, necessitating reliable diagnostic markers. This study is aimed at discovering NIFTP-specific mRNA markers through RNA sequencing analysis of thyroid tumor tissues. We performed mRNA expression profiling for 74 fresh frozen thyroid tissue samples, including NIFTP and benign and malignant follicular-cell-derived tumors. NIFTP/malignant tumors showed 255 downregulated genes and 737 upregulated genes compared to benign tumors. Venn diagram analysis revealed 19 significantly upregulated and 7 downregulated mRNAs in NIFTP. Akaike information criterion analysis allowed us to select OCLN, ZNF423, LYG1, and AQP5 mRNA markers. We subsequently developed a predictive model based on logistic regression analysis using these four mRNAs, which we validated in independent samples (n = 90) using a qRT-PCR assay. This model demonstrated high accuracy in predicting NIFTP in discovery dataset (AUC (area under the receiver operating characteristic) = 0.960) and the validation dataset (AUC = 0.757). Our results suggest that OCLN, ZNF423, LYG1, and AQP5 mRNA markers might serve as reliable molecular markers for identifying NIFTP among other thyroid tumors, ultimately aiding in accurate diagnosis and management of NIFTP patients.
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Affiliation(s)
- So-Yeon Lee
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 34141 Daejeon, Korea
- Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon, 34134 Korea
| | - Jong-Lyul Park
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 34141 Daejeon, Korea
| | - Kwangsoon Kim
- Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ja Seong Bae
- Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jae-Yoon Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 34141 Daejeon, Korea
| | - Seon-Young Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, 34141 Daejeon, Korea
| | - Chan Kwon Jung
- Department of Hospital Pathology, College of Medicine, The Catholic University of Korea, Seoul, Korea
- College of Medicine, Cancer Research Institute, The Catholic University of Korea, Seoul, Korea
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15
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Lee SY, Park YM, Yoo HJ, Lee SH, Choi EJ, Baek EY, Song KB, Yoon J, Hong SJ. The alternative bile acid pathway can predict food allergy persistence in early childhood. Pediatr Allergy Immunol 2023; 34:e14003. [PMID: 37622258 DOI: 10.1111/pai.14003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 07/11/2023] [Accepted: 07/17/2023] [Indexed: 08/26/2023]
Abstract
BACKGROUND Mechanisms underlying persistent food allergy (FA) are not well elucidated. The intestinal mucosa is the primary exposure route of food allergens. However, no study has examined intestinal metabolites associated with FA persistence. The goal of this study was to investigate intestinal metabolites and associated microbiomes in early life that aid in determining the development and persistence of FA. METHODS We identified metabolomic alterations in the stool of infants according to FA by mass spectrometry-based untargeted metabolome profiling. The targeted metabolomic analysis of bile acid metabolites and stool microbiome was performed. Bile acid metabolite composition in infancy was evaluated by characterizing the subjects at the age of 3 into FA remission and persistent FA. RESULTS In untargeted metabolomics, primary bile acid biosynthesis was significantly different between subjects with FA and healthy controls. In targeted metabolomics for bile acids, intestinal bile acid metabolites synthesized by the alternative pathway were reduced in infants with FA than those in healthy controls. Subjects with persistent FA were also distinguished from healthy controls and those with FA remission by bile acid metabolites of the alternative pathway. These metabolites were negatively correlated with specific IgE levels in egg white. The abundance of intestinal Clostridia was decreased in the FA group and was correlated with ursodeoxycholic acid. CONCLUSION Intestinal bile acid metabolites of the alternative pathway could be predictive biomarkers for persistent FA in early childhood. These findings require replication in future studies.
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Affiliation(s)
- So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Yoon Mee Park
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, South Korea
| | - Hyun Ju Yoo
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Seung-Hwa Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, South Korea
| | - Eom Ji Choi
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Eun Young Baek
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Kun Baek Song
- Department of Pediatrics, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, South Korea
| | - Jisun Yoon
- Department of Pediatrics, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, South Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Environmental Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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Choi EJ, Song KB, Baek EY, Park MJ, Yoon J, Jung S, Lee SH, Kang MJ, Oh HY, Lee SY, Park KS, Hong SJ. Combined effect of hygienic and polygenic risk scores in children with allergic rhinitis. Asian Pac J Allergy Immunol 2023. [PMID: 37466963 DOI: 10.12932/ap-070123-1524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
BACKGROUND Although the development of allergic rhinitis (AR) is associated with multiple genetic and hygienic environmental factors, previous studies have focused mostly on the effect of a single factor on the development of AR. OBJECTIVE This study aimed to investigate the combined effect of multiple genetic and hygienic environmental risk factors on AR development in school children. METHODS We conducted a cross-sectional study, comprising 1,797 children aged 9-12 years. Weighted environmental risk score (ERS) was calculated by using four hygienic environmental factors, including antibiotic use during infancy, cesarean section delivery, breast milk feeding, and having older siblings. Weighted polygenic risk score (PRS) was calculated by using four single nucleotide polymorphisms (SNPs), including interleukin-13 (rs20541), cluster of differentiation 14 (rs2569190), toll-like receptor 4 (rs1927911), and glutathione S-transferase P1 (rs1695). Multivariable logistic regression analysis was used. RESULTS More than three courses of antibiotic use during infancy increased the risk of current AR (adjusted odd ratio [aOR], 2.058; 95% confidence interval [CI]: 1.290-3.284). Having older siblings, especially > 2 (aOR, 0.526; 95%Cl: 0.303-0.913) had a protective effect. High ERS ( > median; aOR, 2.079; 95%Cl: 1.466-2.947) and PRS ( > median; aOR, 1.627; 95%Cl: 1.117-2.370) increased the risk of current AR independently. Furthermore, children who had both high ERS and PRS showed a higher risk of current AR (aOR, 3.176; 95%Cl: 1.787-5.645). CONCLUSIONS Exposure to multiple hygienic risk factors during infancy increases the risk of AR in genetically susceptible children.
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Affiliation(s)
- Eom Ji Choi
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kun Baek Song
- Department of Pediatrics, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea
| | - Eun Young Baek
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Min Ji Park
- Department of Pediatrics, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - Jisun Yoon
- Department of Pediatrics, Chung-Ang University Hospital, Chung-Ang University School of Medicine, Gwangmyeong, Republic of Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Childrens Hospital, Pusan National University School of Medicine, Yangsan, Republic of Korea
| | - Si Hyeon Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Mi-Jin Kang
- Humidifier Disinfectant Health Center, Asan Medical Center, Seoul, Republic of Korea
| | - Hea Young Oh
- Department of Medicine, Asan Medical Center, Ulsan University College of Medicine, Seoul, Republic of Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kang Seo Park
- Department of Pediatrics, Presbyterian Medical Center, Jeonju, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Choi EA, Nah G, Chang WS, Lee SY, Suh DI, Kim KW, Shin YH, Ahn K, Hong SJ, Kim YY, Lee HJ. Blood eosinophil related to maternal allergic rhinitis is associated with the incidence of allergic rhinitis in offspring: COCOA study. BMC Pediatr 2023; 23:343. [PMID: 37415120 PMCID: PMC10324231 DOI: 10.1186/s12887-023-04156-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 06/24/2023] [Indexed: 07/08/2023] Open
Abstract
OBJECTIVE The identification of allergic rhinitis (AR) in early life is important for the target of intervention. AR is caused by various environmental factors, including house dust mites. We investigated the relationship between the Dermatophagoides farinae (Der f)-IgE and eosinophil in mothers with AR at delivery and the eosinophil levels and AR incidence in children. METHODS The study participants were 983 mother-child pairs from the COhort for Childhood Origin of Asthma and Allergic Diseases. AR was diagnosed by a doctor at delivery in mother and at 3 years of age in offspring. The association between eosinophil level and AR was assessed using logistic regression analysis. RESULTS The Der f-IgE level in mother having AR at delivery was associated with the mother's eosinophil level, and the mother's eosinophil level was associated with the child's eosinophil level both at age 1 and 3. The risk of AR at age 3 in children was increased according to increased eosinophil levels in mothers at delivery and in children both aged 1 and 3 years (adjusted odds ratio [aOR] and 95% confidence interval [CI]: 2.57 [1.14-5.78], 2.28 [1.02-5.13], respectively). The risk of childhood AR at the age of 3 is increased when both mothers and children have high eosiniophils (aOR and 95% CI: 2.62 [1.01-6.79], 1.37 [0.98-1.91]). CONCLUSIONS Der f-IgE in mothers at delivery was related to eosinophil levels in mothers with AR and higher level of eosinophils in both mother and children was associated with the increased risk of AR incidence at the first 3 years of life of children.
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Affiliation(s)
- Eun-A Choi
- Division of Allergy and Respiratory Disease Research, Department of Chronic Disease Convergence Research, Korea National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea
| | - Geumkyung Nah
- Division of Allergy and Respiratory Disease Research, Department of Chronic Disease Convergence Research, Korea National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea
| | - Woo-Sung Chang
- Division of Allergy and Respiratory Disease Research, Department of Chronic Disease Convergence Research, Korea National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Kyung Won Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Youn Ho Shin
- Department of Pediatrics, CHA Gangnam Medical Center, CHA University College of Medicine, Seoul, Republic of Korea
| | - Kangmo Ahn
- Department of Pediatrics, Environmental Health Center for Atopic Disease, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Young Youl Kim
- Division of Allergy and Respiratory Disease Research, Department of Chronic Disease Convergence Research, Korea National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea
| | - Hye-Ja Lee
- Division of Allergy and Respiratory Disease Research, Department of Chronic Disease Convergence Research, Korea National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju, Republic of Korea.
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Song EH, Lee SY, Lee S, Jung JY, Shin SH, Chung YG, Jung CK. Diagnosis of Local Recurrence of Malignant Soft Tissue Tumors after Reconstructive Surgery on MRI. J Clin Med 2023; 12:4369. [PMID: 37445404 DOI: 10.3390/jcm12134369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
PURPOSE Magnetic resonance imaging (MRI) is useful in the diagnosis of local recurrence, but few studies have explored recurrence in MRI in patients after reconstructive surgery. The purpose of this study was to analyze MRI findings of locoregional recurrence following reconstructive surgery after malignant soft tissue tumor resection. METHOD Fifty-three postoperative MRIs from 37 patients who underwent reconstructive surgery after malignant soft tissue tumor resection were retrospectively reviewed. A total of 76 enhancing lesions, including 40 locoregional recurrences and 36 postoperative changes, were analyzed regarding morphology (location on the transplanted tissue, border, and shape) and the signals on T1- and T2-weighted imaging (T1WI, T2WI), fat-suppressed (FS) T2WI, and contrast-enhanced FS T1WI. Diffusion-weighted imaging with an apparent diffusion coefficient was assessed. A chi-squared test and Fisher's exact test were used for statistical analysis. RESULTS The most common site of recurrent tumors and postoperative changes was the peripheral margin on transplanted tissue (63% and 61%, respectively p = 0.907). Recurrent tumors commonly appeared with well-defined borders (75%) as well as nodular appearance (98%), hyperintensity on T2WI (85%) and FS-T2WI (95%), isointensity on T1WI (65%), impeded water diffusion (55%), and intense (50%) or moderate (45%) enhancement. Postoperative changes showed ill-defined borders (75%), nodular appearance (56%), facilitated water diffusion (69%), and moderate (86%) enhancement, which were significantly different from those of recurrent tumors (p ≤ 0.020). CONCLUSIONS Common and partitioning MRI features of locoregional recurrence were well-defined borders, nodular shape, impeded water diffusion, and intense enhancement. Peripheral margins on transplanted tissue were common sites in both recurrent tumors and postoperative changes.
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Affiliation(s)
- Eun-Hee Song
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
- Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Republic of Korea
| | - So-Yeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Seungeun Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Joon-Yong Jung
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Seung-Han Shin
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Yang-Guk Chung
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
| | - Chan-Kwon Jung
- Department of Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
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Lee S, Lee SY, Jung JY, Nam Y, Jeon HJ, Jung CK, Shin SH, Chung YG. Ensemble learning-based radiomics with multi-sequence magnetic resonance imaging for benign and malignant soft tissue tumor differentiation. PLoS One 2023; 18:e0286417. [PMID: 37256875 DOI: 10.1371/journal.pone.0286417] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 05/15/2023] [Indexed: 06/02/2023] Open
Abstract
Many previous studies focused on differentiating between benign and malignant soft tissue tumors using radiomics model based on various magnetic resonance imaging (MRI) sequences, but it is still unclear how to set up the input radiomic features from multiple MRI sequences. Here, we evaluated two types of radiomics models generated using different feature incorporation strategies. In order to differentiate between benign and malignant soft tissue tumors (STTs), we compared the diagnostic performance of an ensemble of random forest (R) models with single-sequence MRI inputs to R models with pooled multi-sequence MRI inputs. One-hundred twenty-five STT patients with preoperative MRI were retrospectively included and consisted of training (n = 100) and test (n = 25) sets. MRI included T1-weighted (T1-WI), T2-weighted (T2-WI), contrast-enhanced (CE)-T1-WI, diffusion-weighted images (DWIs, b = 800 sec/mm2) and apparent diffusion coefficient (ADC) maps. After tumor segmentation on each sequence, 100 original radiomic features were extracted from each sequence image and divided into three-feature sets: T features from T1- and T2-WI, CE features from CE-T1-WI, and D features from DWI and ADC maps. Four radiomics models were built using Lasso and R with four combinations of three-feature sets as inputs: T features (R-T), T+CE features (R-C), T+D features (R-D), and T+CE+D features (R-A) (Type-1 model). An ensemble model was built by soft voting of five, single-sequence-based R models (Type-2 model). AUC, sensitivity, specificity, and accuracy of each model was calculated with five-fold cross validation. In Type-1 model, AUC, sensitivity, specificity, and accuracy were 0.752, 71.8%, 61.1%, and 67.2% in R-T; 0.756, 76.1%, 70.4%, and 73.6% in R-C; 0.750, 77.5%, 63.0%, and 71.2% in R-D; and 0.749, 74.6%, 61.1%, and 68.8% R-A models, respectively. AUC, sensitivity, specificity, and accuracy of Type-2 model were 0.774, 76.1%, 68.5%, and 72.8%. In conclusion, an ensemble method is beneficial to incorporate features from multi-sequence MRI and showed diagnostic robustness for differentiating malignant STTs.
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Affiliation(s)
- Seungeun Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - So-Yeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Joon-Yong Jung
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yoonho Nam
- Division of Biomedical Engineering, Hankuk University of Foreign Studies, Seoul, Gyeonggi-do, Republic of Korea
| | - Hyeon Jun Jeon
- Division of Biomedical Engineering, Hankuk University of Foreign Studies, Seoul, Gyeonggi-do, Republic of Korea
| | - Chan-Kwon Jung
- Department of Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seung-Han Shin
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yang-Guk Chung
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Zheng Y, Lee SY, Lee Y, Lee TK, Kim JE, Kim TH, Kang IJ. Standardized Sanguisorba officinalis L. Extract Inhibits Adipogenesis and Promotes Thermogenesis via Reducing Oxidative Stress. Antioxidants (Basel) 2023; 12:antiox12040882. [PMID: 37107257 PMCID: PMC10135657 DOI: 10.3390/antiox12040882] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 03/24/2023] [Accepted: 04/03/2023] [Indexed: 04/08/2023] Open
Abstract
Obesity produces many health problems, including systemic oxidative stress. This study comprehensively investigated the effects of Sanguisorba officinalis L. extract (SO) as an antioxidant on abnormal lipid accumulation and oxidative stress in 3T3-L1 adipocytes and high-fat diet (HFD)-induced obese mice (n = 48). We evaluated the anti-adipogenic and antioxidant effects of SO on 3T3-L1 by cell viability, Oil red O staining, and NBT assays. The ameliorative effects of SO in HFD-induced C57BL/6J mice were investigated by measuring body weight, serum lipids, adipocyte size, hepatic steatosis, AMPK pathway-related proteins, and thermogenic factors. In addition, the effect of SO on oxidative stress in obese mice was evaluated by the activity of antioxidant enzymes and the production of lipid peroxidation products and ROS production in adipose tissue. We found that SO dose-dependently decreased lipid accumulation and ROS production in 3T3-L1 adipocytes. In C57BL/6J obese mice, SO (above 200 mg/kg) attenuated the HFD-induced gain in body weight and white adipose tissue (WAT) weight without affecting appetite. SO also decreased serum glucose, lipid, and leptin levels and attenuated adipocyte hypertrophy and hepatic steatosis. Furthermore, SO increased the expression of SOD1 and SOD2 in WAT, decreased ROS and lipid peroxides, and activated the AMPK pathway and thermogenic factors. In summary, SO reduces oxidative stress in adipose tissue by increasing antioxidant enzyme activity and improves obesity symptoms through AMPK-pathway-regulated energy metabolism and mitochondrial respiratory thermogenesis.
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Affiliation(s)
- Yulong Zheng
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon 24252, Republic of Korea
| | - So-Yeon Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon 24252, Republic of Korea
| | - Yeji Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon 24252, Republic of Korea
| | - Tae-Kyeong Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon 24252, Republic of Korea
| | - Ji Eun Kim
- Ju Yeong NS Co., Ltd., Seoul 05854, Republic of Korea
| | - Tae Hyeon Kim
- Ju Yeong NS Co., Ltd., Seoul 05854, Republic of Korea
| | - Il-Jun Kang
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon 24252, Republic of Korea
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Lee E, Park YM, Lee SY, Lee SH, Park MJ, Ahn K, Kim KW, Shin YH, Suh DI, Hong SJ. Associations of prenatal antibiotic exposure and delivery mode on childhood asthma inception. Ann Allergy Asthma Immunol 2023:S1081-1206(23)00208-9. [PMID: 36990205 DOI: 10.1016/j.anai.2023.03.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/05/2023] [Accepted: 03/19/2023] [Indexed: 03/30/2023]
Abstract
BACKGROUND Prenatal antibiotic exposure and delivery mode may affect the gut microbiome in early life and influence the development of childhood asthma, but the combined effect of these two factors is unknown. OBJECTIVE To identify the individual and combined effects of prenatal antibiotic exposure and delivery mode on the development of asthma in children and the potential mechanisms underlying these associations. METHODS A total of 789 children were enrolled from the Cohort for Childhood Origin of Asthma and Allergic Diseases (COCOA) birth cohort study. Asthma was defined as physician-confirmed diagnosis with asthma symptoms in the previous 12 months at age 7. Information on the prenatal antibiotic exposure was obtained by mothers using questionnaire. Logistic regression analysis was used. Gut microbiota analysis using 16S rRNA gene sequencing of fecal specimens obtained at 6 months was undertaken for 207 infants. RESULTS Prenatal antibiotic exposure and cesarean section delivery (adjusted odds ratio [aOR], 95% confidence interval [CI], 5.70 [1.25-22.81] and 1.57 [1.36-6.14], respectively) were associated with childhood asthma, especially synergistically when compared to the vaginal delivery-prenatal antibiotic exposure reference group (aOR, 7.35; 95% CI, 3.46-39.61; Interaction P=.033). Prenatal antibiotic exposure was associated with childhood asthma with aORs 21.79 and 27.03 for one and two or more exposures, respectively. Significant small-airway dysfunction (R5-R20 in impulse oscillometry) was observed with prenatal antibiotic exposure and cesarean-section delivery, compared to those with spontaneous delivery without prenatal antibiotic exposure. There was no significant difference in the diversity of gut microbiota among the four groups. However, the relative abundance of Clostridium was significantly increased in infants with prenatal antibiotic exposure and delivered via cesarean section. CONCLUSION Prenatal antibiotic exposure and delivery mode might modulate asthma development in children and small-airway dysfunction, potentially through early-life gut microbiota alterations.
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Lee S, Jung JY, Nam Y, Jung CK, Lee SY, Lee J, Shin SH, Chung YG. Diagnosis of Marginal Infiltration in Soft Tissue Sarcoma by Radiomics Approach Using T2-Weighted Dixon Sequence. J Magn Reson Imaging 2023; 57:752-760. [PMID: 35808915 DOI: 10.1002/jmri.28331] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 06/14/2022] [Accepted: 06/16/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Determination of preoperative soft tissue sarcoma (STS) margin is crucial for patient prognosis. PURPOSE To evaluate diagnostic performance of radiomics model using T2-weighted Dixon sequence for infiltration degree of STS margin. STUDY TYPE Retrospective. POPULATION Seventy-two STS patients consisted of training (n = 58) and test (n = 14) sets. FIELD STRENGTH/SEQUENCE A 3.0 T; T2-weighted Dixon images. ASSESSMENT Pathologic result of marginal infiltration in STS (circumscribed margin; n = 27, group 1, focally infiltrative margin; n = 31, group 2-A, diffusely infiltrative margin; n = 14, group 2-B) was the reference standard. Radiomic volume and shape (VS) and other (T2) features were extracted from entire tumor volume and margin, respectively. Twelve radiomics models were generated using four combinations of classifier algorithms (R, SR, LR, LSR) and three different inputs (VS, T2, VS + T2 [VST2] features) to differentiate the three groups. Three radiologists (reader 1, 2, 3) analyzed the marginal infiltration with 6-scale confidence score. STATISTICAL TESTS Area under the receiver operating characteristic curve (AUC) and concordance rate. RESULTS Averaged AUCs of R, SR, LR, LSR models were 0.438, 0.466, 0.438, 0.466 using VS features, 0.596, 0.584, 0.814, 0.815 using T2 features, and 0.581, 0.587, 0.821, 0.821 using VST2 features, respectively. The LR and LSR models constructed with T2 or VST2 features showed higher AUC and concordance rate compared to radiologists' analysis (AUC; 0.730, 0.675, 0.706, concordance rate; 0.46, 0.43, 0.47 in reader 1, 2, 3). DATA CONCLUSION Radiomics model constructed with features from tumor margin on T2-weighted Dixon sequence is a promising method for differentiating infiltration degree of STS margin. EVIDENCE LEVEL 4 TECHNICAL EFFICACY: Stage 2.
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Affiliation(s)
- Seungeun Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Joon-Yong Jung
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yoonho Nam
- Division of Biomedical Engineering, Hankuk University of Foreign Studies, Gyeonggi-do, Republic of Korea
| | - Chan-Kwon Jung
- Department of Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - So-Yeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jooyeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Department of Applied Statistics, Hanyang University, Seoul, Republic of Korea
| | - Seung-Han Shin
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yang-Guk Chung
- Department of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Lee SY, Park YM, Nam MH, Hong SJ. Altered phosphatidylcholine metabolism in children with atopic dermatitis. J Allergy Clin Immunol 2023. [DOI: 10.1016/j.jaci.2022.12.479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Zheng Y, Lee EH, Lee SY, Lee Y, Shin KO, Park K, Kang IJ. Morus alba L. root decreases melanin synthesis via sphingosine-1-phosphate signaling in B16F10 cells. J Ethnopharmacol 2023; 301:115848. [PMID: 36272492 DOI: 10.1016/j.jep.2022.115848] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/13/2022] [Accepted: 10/15/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Morus alba L. has long been used for beauty in many Asian countries and regions, including anti-aging and hyperpigmentation. AIM OF THE STUDY This study aimed at the inhibitory effect of Morus alba L. root on melanogenesis in B16F10 melanoma cells and the mechanism involved. MATERIALS AND METHODS This study evaluated the anti-melanogenic effect of Morus alba L. root extract (MAR) on B16F10 melanoma cells by assessing cell viability, melanin accumulation, cellular tyrosinase activity, intra/inter-cellular S1P levels, cellular S1P-related metabolic enzyme activity, and western blot analysis. In addition, the potential S1P lyase (S1PL) inhibitory constituents in MAR were identified by LC-MS/MS. RESULTS Without affecting the viability of B16F10 melanoma cells, MAR inhibited intracellular tyrosinase activity in a dose-dependent manner, thereby reducing the accumulation of melanin. MAR also downregulated the expression level of MITF via activating the ERK signaling pathway. Furthermore, MAR increased the intra/inter-cellular S1P by inhibiting S1PL. Several compounds with inhibitory S1PL activity have been identified in MAR, such as mulberroside A and oxyresveratrol. CONCLUSIONS The anti-melanogenic effects of MAR mainly involve promoting MITF degradation mediated via S1P-S1PR3-ERK signaling through increasing cellular S1P levels by inhibiting S1PL activity.
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Affiliation(s)
- Yulong Zheng
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Eun-Hye Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - So-Yeon Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Yeji Lee
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Kyong-Oh Shin
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Kyungho Park
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Il-Jun Kang
- Department of Food Science and Nutrition & the Korean Institute of Nutrition, Hallym University, Chuncheon, 24252, Republic of Korea.
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Kim S, Jeong MW, Kim K, Kim UG, Kim M, Lee SY, Joo YC. Effect of N doping on the microstructure and dry etch properties of amorphous carbon deposited with a DC sputtering system. RSC Adv 2023; 13:2131-2139. [PMID: 36712610 PMCID: PMC9835153 DOI: 10.1039/d2ra06808g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/04/2023] [Indexed: 01/13/2023] Open
Abstract
The importance of developing a hardmask with excellent performance, and physical and chemical properties to utilize in long-term etching is spotlighted due to the acceleration of development in high-density semiconductors. To develop such a hardmask, amorphous carbon hardmasks doped with various concentrations of N were fabricated with a DC magnetron sputtering system using varying inert gas (Ar to N2) ratios. In contrast to the expectation that doped nitrogen would block the permeation of fluorine and improve the etch resistance, as the nitrogen concentration increased, the selectivity of the doped amorphous carbon films decreased. To understand this degradation with increasing nitrogen concentration, systematic X-ray photoelectron spectroscopy (XPS), radial distribution function (RDF), and X-ray reflectometry (XRR) analyses were conducted. In this study, we found that as the amount of nitrogen increased, the density of the film decreased, and the amount of pyridinic and pyrrolic nitrogen bonds with low formation energy increased. In contrast, based on time-of-flight secondary ion mass spectrometry (TOF-SIMS) analysis of etched nitrogen-doped amorphous carbon films, the penetration depth of fluorine ions from the etchant decreased as the amount of nitrogen increased. Therefore, in order to develop an excellent hardmask using amorphous carbon, it is important to increase the density of the film and the nitrogen concentration in the film while lowering the ratio of pyrrolic N to pyridinic N, i.e., increasing the ratio of graphitic N.
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Affiliation(s)
- Sungtae Kim
- Department of Materials Science & Engineering, Seoul National University1, Gwanak-roGwanak-guSeoul 08826Republic of Korea+82-2-883-8197+82-2-880-8986
| | - Min-Woo Jeong
- Memory Thin Film Technology TeamGiheung Hwaseong Complex, Samsung Electronics, 1, Samsungjeonja-roHwaseong-siGyeonggi-do 18448Republic of Korea
| | - Kuntae Kim
- Department of Materials Science & Engineering, Seoul National University1, Gwanak-roGwanak-guSeoul 08826Republic of Korea+82-2-883-8197+82-2-880-8986
| | - Ung-gi Kim
- Department of Materials Science & Engineering, Seoul National University1, Gwanak-roGwanak-guSeoul 08826Republic of Korea+82-2-883-8197+82-2-880-8986
| | - Miyoung Kim
- Department of Materials Science & Engineering, Seoul National University1, Gwanak-roGwanak-guSeoul 08826Republic of Korea+82-2-883-8197+82-2-880-8986
| | - So-Yeon Lee
- School of Material Science and Engineering, Kumoh National Institute of Technology61, Daehak-roGumi-siGyeongbuk 39177Republic of Korea+82-54-478-7769+82-54-478-7733
| | - Young-Chang Joo
- Department of Materials Science & Engineering, Seoul National University1, Gwanak-roGwanak-guSeoul 08826Republic of Korea+82-2-883-8197+82-2-880-8986
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Choi YJ, Lee SY, Kwon SO, Kang MJ, Seo JH, Yoon J, Cho HJ, Jung S, Hong SJ. The association between MTHFR polymorphism, dietary methyl donors, and childhood asthma and atopy. Asian Pac J Allergy Immunol 2023. [PMID: 36592167 DOI: 10.12932/ap-300422-1375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Studies investigating the genetic association of the C677T methylenetetrahydrofolate reductase (MTHFR) genotype and dietary methyl donors with asthma and atopy are limited, and have variable results. OBJECTIVE To investigate the effect of dietary methyl donor intake on the risk of childhood asthma and atopy, based on the C677T polymorphism in the MTHFR gene. METHODS This cross-sectional study included 2,333 elementary school children aged 6-8 years across Korea during 2005 and 2006, as part of the first Children's Health and Environmental Research survey. Genotyping for the MTHFR (rs1801133) polymorphism was performed using the TaqMan assay. Multivariable-adjusted logistic regression analysis was performed to determine a descriptive association between the dietary methyl donor intake, MTHFR polymorphism, and childhood asthma and atopy. RESULTS Intake of dietary methyl donors like folates was significantly associated with a decreased risk of the wheezing symptom, in the past 12 months, and "ever asthma" diagnosis, respectively. Vitamin B6 intake was also associated with a decreased atopy risk. The T allele of the MTHFR (rs1801133) gene was significantly associated with a decreased risk of atopy. Increased intakes of folate, vitamin B2, and vitamin B6 were protective factors against atopy, especially in children with the T allele on the MTHFR gene, compared to those with lower intakes and the CC genotype. CONCLUSIONS High intakes of dietary methyl donors were associated with reduced risk of atopy and asthma symptoms. These may have additive effects related to the susceptibility alleles of the MTHFR gene. The clinical implications require evaluation.
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Affiliation(s)
- Yean Jung Choi
- Department of Food and Nutrition, Sahmyook University, Seoul, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sung-Ok Kwon
- Biomedical Research Institute, Kangwon National University, Chuncheon, Korea
| | - Mi-Jin Kang
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ju-Hee Seo
- Department of Pediatrics, Dankook University College of Medicine, Cheonan, Korea
| | - Jisun Yoon
- Department of Pediatrics, Chung-Ang University Gwang-Myeong Hospital, Chung-Ang University College of Medicine, Seoul, Korea
| | - Hyun-Ju Cho
- Department of Pediatrics, Catholic Kwandong University, International St. Mary's Hospital, Incheon, Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Choi JI, Kweon HY, Lee YL, Lee JH, Lee SY. Efficacy of Silkworm Pupae Extract on Muscle Strength and Mass in Middle-Aged and Older Individuals: A Randomized, Double-Blind, Placebo-Controlled Trial. J Nutr Health Aging 2023; 27:578-585. [PMID: 37498105 DOI: 10.1007/s12603-023-1942-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 06/06/2023] [Indexed: 07/28/2023]
Abstract
OBJECTIVES We investigated the efficacy and safety of silkworm pupae extract (SWP) consumption for 12 weeks on muscle mass and strength in middle-aged and older individuals with relatively low skeletal muscle mass who do regular low-intensity exercise. DESIGN A randomized double-blinded placebo-controlled trial. PARTICIPANTS The study was conducted with 54 participants with relatively low skeletal muscle mass (SMM) (64.4 ± 6.1 years; body mass index, 23.8 ± 2.4 kg/m2). INTERVENTION AND MEASUREMENTS Participants were randomly assigned to one of two groups: 1000 mg of SWP/day plus regular exercise (SWP group, n=27) or placebo plus regular exercise (placebo group, n=27). All participants were required to engage in 30-60 minutes/day of walking for ≥3 days/week for 12 weeks. The primary outcome was knee extension/flexion strength (Nm), measured at the velocity of 60°/s. Secondary outcomes included body composition, biomarkers (creatine kinase and creatinine), handgrip strength, and quality of life questionnaire. RESULTS Both the intention-to-treat (ITT) and per-protocol (PP) analyses revealed no significant impact of SWP on knee strength compared to the placebo group over 12 weeks. On the other hand, the SWP group had significantly greater increases in right-handgrip strength by 1.94 kg (95% CI: 0.08-3.79; p = 0.041) and left-handgrip strength by 1.83 kg (0.25-3.41; p = 0.024) compared to the placebo group in the ITT population, after 12 weeks. Moreover, in the PP population, the SWP group revealed an even greater increase in right-handgrip strength by 2.07 kg (0.15-3. 98; p = 0.035) and left-handgrip strength by 2.21 kg (0.60-3.83; p = 0.008) for the 12-week period. However, this study resulted in a failure to detect significant differences in the body composition, biomarkers, quality of life questionnaire, physical activity, and caloric intake between the groups. None of the participants in the SWP group experienced any significant adverse events. In the placebo group, two participants experienced urticaria and allergic side effects, leading to their withdrawal from the study and two exhibited elevated levels of liver enzyme and increased diastolic blood pressure, respectively at 12 weeks. CONCLUSION SWP, in addition to low-intensity exercise, may enhance handgrip strengths in middle-aged and older adults with relatively lower SMM. Future studies need to use a large sample size over longer periods to validate our findings. This trial was registered at clinicaltrials.gov as NCT04994054.
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Affiliation(s)
- J I Choi
- Sang Yeoup Lee, Family Medicine Clinic, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea, Telephone: +82-55-390-1442, E-mail: , Fax: +82-51-510-8125
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Kim DY, Jeong IC, Lee SY, Jeong YS, Han JE, Tak EJ, Lee JY, Kim PS, Hyun DW, Bae JW. Nocardioides palaemonis sp. nov. and Tessaracoccus palaemonis sp. nov., isolated from the gastrointestinal tract of lake prawn. Int J Syst Evol Microbiol 2022; 72. [PMID: 36748471 DOI: 10.1099/ijsem.0.005643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Two novel Gram-stain-positive, non-motile and non-spore-forming bacterial strains, designated J2M5T and J1M15T, were isolated from the gastrointestinal tract of a lake prawn Palaemon paucidens. Strain J2M5T was an obligately aerobic bacterium that formed milky-coloured colonies and showed a rod-coccus cell cycle, while strain J1M15T was a facultatively aerobic bacterium that formed orangish-yellow-coloured colonies and showed rod-shaped cells. Strains J2M5T and J1M15T showed the highest 16S rRNA gene sequence similarity to Nocardioides ganghwensis JC2055T (98.63 %) and Tessaracoccus flavescens SST-39T (98.08 %), respectively. The whole-genome sequence of strain J2M5T was 4.52 Mbp in size and the genomic G+C content directly calculated from the genome sequence of strain J2M5T was 72.5 mol%. The whole-genome sequence of strain J1M15T was 3.20 Mbp in size and the genomic G+C content directly calculated from the genome sequence of strain J1M15T was 69.6mol %. Strains J2M5T and J1M15T showed high OrthoANI similarity to N. ganghwensis JC2055T (83.6 %) and T. flavescens (77.2 %), respectively. We analysed the genome sequences of strains J2M5T and J1M15T in terms of carbohydrate-active enzymes, antibiotic resistance genes and virulence factor genes. Strains J2M5T and J1M15T contained MK-8 (H4) and MK-9 (H4) as the predominant respiratory quinones, respectively. The major polar lipids of both strains were phosphatidylglycerol and diphosphatidylglycerol. Additionally, strain J2M5T possessed phosphatidylcholine, phosphatidylserine and phosphatidylethanolamine. The cellular sugar components of strain J2M5T were ribose, mannose, glucose and galactose, and its cellular amino acid components were l-alanine and l-lysine. The cellular sugar components of strain J1M15T were rhamnose, ribose, mannose and glucose, and its cellular amino acid component was l-alanine. The major cellular fatty acids of strains J2M5T and J1M15T were iso-C16 : 0 and anteiso-C15 : 0, respectively. The multiple taxonomic analyses indicated that strains J2M5T and J1M15T represent novel species of the genus Nocardioides and Tessaracoccus, respectively. We propose the names Nocardioides palaemonis sp. nov. and Tessaracoccus palaemonis sp. nov. for strain J2M5T (=KCTC 49461T=CCUG 74767T) and strain J1M15T (=KCTC 49462T=CCUG 74766T), respectively.
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Affiliation(s)
- Do-Yeon Kim
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - In-Chul Jeong
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - So-Yeon Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - June-Young Lee
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea.,Department of Biology and Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
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Kang MJ, Ahn HS, Lee SY, Yeom J, Kim K, Hong SJ. TGFβ1 and POSTN as biomarkers of postinfectious bronchiolitis obliterans and asthma in children. Pediatr Pulmonol 2022; 57:3161-3164. [PMID: 36175004 DOI: 10.1002/ppul.26139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 08/23/2022] [Accepted: 09/03/2022] [Indexed: 01/11/2023]
Abstract
RATIONALE Asthma and postinfectious bronchiolitis obliterans (PIBO) are common chronic lung diseases in company with wheezing in children. However, it is not clear what is common and unique mechanisms between the two diseases. Thus, we used proteomic analysis to compare differences in biomarkers between children with asthma and PIBO. METHODS Overall, 30 healthy children without respiratory underlying diseases, 18 children with asthma and 15 with PIBO were included for this study. Sequential window acquisition of all theoretical mass spectra (SWATH)-mass spectrometry (MS) was used to measure proteins in plasma samples. To identify specific pathways of each groups, we used the ingenuity pathway analysis (IPA) software. RESULTS We identified and quantified 354 proteins across all 63 samples in the SWATH-MS analysis. Forty eight proteins were significantly different among 3 groups. The upstream analysis of IPA suggested that inhibitor of nuclear factor kappa B kinase subunit beta (IKBKB) was the upstream inhibitor of 4 differentially expressed proteins (DEPs) in asthma, while the upstream activator in PIBO subjects. Among 4 DEPs, TGF-β1 in PIBO and periostin in asthma were negatively correlated with forced expiratory volume in 1 s (FEV1), FEV1/forced vital capacity, maximal med-expiratory flow, and PC20, respectively. CONCLUSION These findings demonstrate that transforming growth factor β1 and periostin were unique biomarkers of PIBO and asthma in children, respectively. The mechanism regulated by IKBKB may be therapeutically relevant for PIBO and asthma.
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Affiliation(s)
- Mi-Jin Kang
- Humidifier Disinfectant Health Center, Asan Medical Center, Seoul, Republic of Korea
| | - Hee-Sung Ahn
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jeonghun Yeom
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Kyunggon Kim
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine Seoul, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Lee SY, Kim S, Kang MJ, Song KB, Choi EJ, Jung S, Yoon JS, Suh DI, Shin YH, Kim KW, Ahn K, Hong SJ. Phenotype of Atopic Dermatitis With Food Allergy Predicts Development of Childhood Asthma via Gut Wnt Signaling. Allergy Asthma Immunol Res 2022; 14:674-686. [PMID: 36426397 PMCID: PMC9709687 DOI: 10.4168/aair.2022.14.6.674] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 07/12/2022] [Accepted: 08/23/2022] [Indexed: 07/29/2023]
Abstract
PURPOSE Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by a wide spectrum of clinical phenotype. However, specific description of phenotypes of AD depending on the comorbidities in early childhood is lacking. This study aimed to investigate whether the AD phenotype in early childhood is related to childhood asthma and to elucidate the mechanisms involved. METHODS Data on the first 3 years of life were collected prospectively from 1,699 children in the COhort for Childhood Origin of Asthma and allergic diseases (COCOA). We applied an unsupervised latent class analysis to the following five factors: food sensitization, inhalant sensitization, food allergy (FA), AD, and recurrent wheezing. The risks of developing FA, AD, allergic rhinitis (AR), and asthma in children aged 5-7 years were evaluated. Colonocyte transcriptome and ingenuity pathway analysis were performed. RESULTS Four phenotypes were identified; no allergic diseases (78.4%), AD without sensitization (16.4%), FA with AD (2.9%), and AD with sensitization (7.8%). The FA with AD had the highest risk for FA, AR, and asthma and the highest cord blood immunoglobulin E (IgE) levels. In AD without sensitization and with sensitization, scoring of AD (SCORAD) in early childhood was higher than in FA with AD. Canonical pathway analysis with the colonocyte transcriptome revealed that the key pathway in FA with AD was 'Wnt/β-catenin Signaling.' The relative abundance of Wnt6 mRNA was positively correlated with food-specific IgE levels at 1 and 3 years. CONCLUSIONS When FA is present in various phenotypes of AD at early life, regardless of severity of eczema, it may be associated with gut Wnt signaling and later development of asthma.
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Affiliation(s)
- So-Yeon Lee
- Department of Pediatrics, Childhood Asthma and Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sangrok Kim
- Department of Information Management, Medical Record Information Team, Hanyang University Medical Center, Seoul, Korea
| | - Mi Jin Kang
- Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kun-Baek Song
- Department of Pediatrics, Soonchunhyang Cheonan Hospital, University of Soonchunhyang College of Medicine, Cheonan, Korea
| | - Eom Ji Choi
- Department of Pediatrics, Childhood Asthma and Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Ji-Sun Yoon
- Department of Pediatrics, Chung-Ang University Hospital, Gwangmyeong, Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Youn Ho Shin
- Department of Pediatrics, CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, Korea
| | - Kyung Won Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma and Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
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Jung S, Lee SY, Yoon J, Cho HJ, Park MJ, Song KB, Choi EJ, Paek EY, Yang SI, Lee E, Hong SJ. Atopic Dermatitis With Coexisting Food Allergy in Early Life Is Associated With Childhood Asthma. Allergy Asthma Immunol Res 2022; 14:565-580. [PMID: 36174996 PMCID: PMC9523419 DOI: 10.4168/aair.2022.14.5.565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/13/2022] [Accepted: 06/28/2022] [Indexed: 06/16/2023]
Abstract
PURPOSE Atopic dermatitis (AD) and food allergy (FA) are associated with respiratory comorbidities, in the concept of 'atopic march.' However, children with AD and a coexisting FA have various disease courses, and the mechanism of atopic march remains unclear. In this study, we investigated whether the phenotype of AD with coexisting FA in early life affected asthma or allergic rhinitis (AR) in school children. METHODS A total of 1,579 children from the Panel Study on Korean Children (PSKC) cohort were followed-up in 2013. The participants diagnosed with AD in this cohort were classified by the age of AD onset and persistence as well as FA history. We compared the presence of comorbidities-asthma and rhinitis-among different AD phenotypes. RESULTS Asthma and AR with current symptoms within 12 months at age 6-8 years were associated with early-onset persistent AD phenotype, regardless of coexisting FA. AD with FA conferred a higher risk of recent wheezing at 8 years of age than AD without FA (adjusted odds ratio, 8.09; 95% confidence interval, 2.54-25.76). Children with early-onset persistent AD with FA manifested a distinctive trajectory with a higher prevalence of wheezing and AR at age 5-8 years than those without AD. CONCLUSIONS AD with FA in early life is strongly associated with asthma and AR in school children, and the early-onset persistent AD with FA had a strong additive effect on the risk of asthma at school age. Classifying AD phenotypes regarding FA in early life will help predict and prevent asthma and AR in school children.
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Affiliation(s)
- Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jisun Yoon
- Department of Pediatrics, College of Medicine, Chung-Ang University, Seoul, Korea
| | - Hyun-Ju Cho
- Department of Pediatrics, International St. Mary's Hospital, Catholic Kwandong University, Incheon, Korea
| | - Min Jee Park
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kun Baek Song
- Department of Pediatrics, Soonchunhyang University Cheonan Hospital, School of Medicine, Soonchunhyang University, Cheonan, Korea
| | - Eom Ji Choi
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Eun Young Paek
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Song-I Yang
- Department of Pediatrics, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea
| | - Eun Lee
- Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
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Huh YJ, Lee SY, Kim S, Lee SE, Jung JY. Differentiation of multiple myelomas from osteolytic bone metastases: Diagnostic value of tumor homogeneity on Contrast-Enhanced CT. Br J Radiol 2022; 95:20220009. [PMID: 35819897 PMCID: PMC10996954 DOI: 10.1259/bjr.20220009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/18/2022] [Accepted: 07/05/2022] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVES To investigate the diagnostic value of tumor homogeneity on contrast-enhanced (CE) computed tomography (CT) to differentiate multiple myeloma (MM) from osteolytic bone metastases (Mets). METHODS This retrospective study included patients who were diagnosed with MM or Mets and had multiple (≥2) osteolytic bone tumors on pre-treatment CE-CT. Intratumoral homogeneity was assessed by coefficient of variation (CV, ratio of standard deviation to mean) of the density of a single lesion (CV-lesion). Intertumoral homogeneity was assessed as the CV of the densities of multiple lesions in one patient (CV-patient). A classification model was built from CT parameters using classification and regression tree (CART) analysis. Diagnostic performance of the model was evaluated using C-statistics. RESULTS A total of 272 lesions (81 MM and 191 Mets) of 105 patients were analyzed. The mean CV-lesion and CV-patient of MM were significantly lower than those of Mets: 0.17 vs 0.26 for CV-lesion (p = 0.005) and 0.16 vs 0.23 for CV-patient (p = 0.013). Thickened struts were more common in MM than in Mets (49.1% vs 12.8%, p ≤ 0.001). In CART analysis, CV-lesion was the first partitioning predictor, followed by thickened struts and by CV patient. The CART model could distinguish MM from Mets in both the model development cohort (C-statistic: 0.843) and the temporal validation cohort (0.721, 0.686, and 0.686 for three reviewers, respectively). CONCLUSIONS MM showed intratumoral and intertumoral homogeneity compared with Mets on CE-CT. The combination of CV-lesion and CV-patient can be helpful to radiologists in differentiation of MM from Mets. ADVANCES IN KNOWLEDGE Our study showed that MM had intratumoral and intertumoral homogeneity compared with Mets on contrast-enhanced CT.
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Affiliation(s)
- Yeon Jong Huh
- Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul,
Korea
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Yoo JH, Han JE, Lee JY, Jeong SW, Jeong YS, Lee JY, Lee SY, Sung H, Tak EJ, Kim HS, Kim PS, Choi JW, Kim DY, Jeong IC, Gim DH, Kang SM, Bae JW. Parasphingorhabdus cellanae sp. nov., isolated from the gut of a Korean limpet, Cellana toreuma. Int J Syst Evol Microbiol 2022; 72. [DOI: 10.1099/ijsem.0.005470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A novel bacterium, designated strain JHSY0214T, was isolated from the gut of a Korean limpet, Cellana toreuma. Cells of strain JHSY0214T were Gram-stain-negative, strictly aerobic, yellow-pigmented, non-spore-forming, non-motile and showed a rod–coccus growth cycle. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the strain belonged to the genus
Parasphingorhabdus
, and was most closely related to
Parasphingorhabdus litoris
KCTC 12764T (98.71 %). Strain JHSY0214T had two fluoroquinolone-resistance genes and seven multidrug-resistance efflux pump genes, but did not have beta-lactamase genes and zinc resistance genes compared with
P. litoris
KCTC 12764T. Strain JHSY0214T grew optimally at 30 °C, pH 7.0 and in the presence of 2 % (w/v) NaCl. The predominant cellular fatty acids of strain JHSY0214T were summed feature 8 (C18 : 1
ω6c and/or C18 : 1
ω7c; 41.2 %), summed feature 3 (C16 : 1
ω7c and/or C16 : 1
ω6c; 21 %) and C16 : 0 (18.9 %). The major isoprenoid quinone was ubiquinone-10. The major polar lipids were sphingoglycolipid and phosphatidylethanolamine. The genomic DNA G+C content was 52.8 mol%. Based on phylogenetic, genotypic and phenotypic data, strain JHSY0214T represents a novel species of the genus
Parasphingorhabdus
, for which the name Parasphingorhabdus cellanae is proposed. The type strain is JHSY0214T (=KCTC 82387T=DSM 112279T).
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Affiliation(s)
- Ji-Ho Yoo
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jeong Eun Han
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - June-Young Lee
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Su-Won Jeong
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jae-Yun Lee
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - So-Yeon Lee
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hojun Sung
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Euon Jung Tak
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hyun Sik Kim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Pil Soo Kim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jee-Won Choi
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Do-Yeon Kim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - In Chul Jeong
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Do-Hun Gim
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Seo Min Kang
- Department of Biomedical and Pharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul 130-701, Republic of Korea
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Song KB, Park MJ, Choi EJ, Jung S, Yoon J, Cho HJ, Kim BS, Ahn K, Kim KW, Shin YH, Suh DI, Hong SJ, Lee SY. Food allergy in early childhood increases the risk of oral allergy syndrome in schoolchildren: A birth cohort study. Pediatr Allergy Immunol 2022; 33:e13786. [PMID: 35616894 DOI: 10.1111/pai.13786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 04/01/2022] [Accepted: 04/25/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND The level of pollen in Korea has increased over recent decades. Research suggests that oral allergy syndrome (OAS) may be more frequent in childhood than previously recognized. We aimed to investigate the prevalence and characteristics of OAS in children aged 6-10 years from a general-population-based birth cohort. METHODS We analyzed 930 children from the cohort for childhood origin of asthma and allergic diseases (COCOA). Allergic diseases were diagnosed annually by pediatric allergists. The skin prick tests were performed with 14 common inhalant allergens and four food allergens for the general population of children aged 3 and 7 years. RESULTS Of the 930 eligible children, 44 (4.7%) aged 6-10 years were diagnosed with OAS. The mean age at onset was 6.74 years. OAS prevalence was 7.2% among children with allergic rhinitis (AR) and 19.1% among those with pollinosis, depending on comorbidity. OAS was more prevalent in schoolchildren with atopic dermatitis, food allergy, and sensitization to food allergens and grass pollen in early childhood. In schoolchildren with AR, only a history of food allergy until the age of 3 years increased the risk of OAS (aOR 2.971, 95% CI: 1.159-7.615). CONCLUSION Food allergy and food sensitization in early childhood were associated with OAS in schoolchildren with AR. Further study is required to elucidate the mechanism by which food allergy in early childhood affects the development of OAS.
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Affiliation(s)
- Kun-Baek Song
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Min Jee Park
- Department of Pediatrics, Uijeongbu Eulji Medical Center, Eulji University School of Medicine, Uijeongbu, Korea
| | - Eom Ji Choi
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jisun Yoon
- Department of Pediatrics, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea
| | - Hyun-Ju Cho
- Department of Pediatrics, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea
| | - Bong-Seong Kim
- Department of Pediatrics, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Kyung Won Kim
- Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Youn Ho Shin
- Department of Pediatrics, CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Park H, Lee SY, Lee J, Pak J, Lee K, Lee SE, Jung JY. Detecting Multiple Myeloma Infiltration of the Bone Marrow on CT Scans in Patients with Osteopenia: Feasibility of Radiomics Analysis. Diagnostics (Basel) 2022; 12:diagnostics12040923. [PMID: 35453971 PMCID: PMC9025143 DOI: 10.3390/diagnostics12040923] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/30/2022] [Accepted: 04/04/2022] [Indexed: 02/04/2023] Open
Abstract
It is difficult to detect multiple myeloma (MM) infiltration of the bone marrow on computed tomography (CT) scans of patients with osteopenia. Our aim is to determine the feasibility of using radiomics analysis to detect MM infiltration of the bone marrow on CT scans of patients with osteopenia. The contrast-enhanced thoracic CT scans of 104 patients with MM and 104 age- and sex-matched controls were retrospectively evaluated. All individuals had decreased bone density on radiography. The study group was divided into development (n = 160) and temporal validation sets (n = 48). The radiomics model was developed using 805 texture features extracted from the bone marrow for a development set, using a Random Forest algorithm. The developed models were applied to evaluate a temporal validation set. For comparison, three radiologists evaluated the CTs for the possibility of MM infiltration in the bone marrow. The diagnostic performances were assessed and compared using an area under the receiver operating characteristic curve (AUC) analysis. The AUC of the radiomics model was not significantly different from those of the radiologists (p = 0.056–0.821). The radiomics analysis results showed potential for detecting MM infiltration in the bone marrow on CT scans of patients with osteopenia.
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Affiliation(s)
- Hyerim Park
- Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (H.P.); (J.L.); (K.L.); (S.-E.L.); (J.-Y.J.)
- Department of Radiology, Soonchunhyang University Cheoan Hospital, Cheonan 31151, Korea;
| | - So-Yeon Lee
- Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (H.P.); (J.L.); (K.L.); (S.-E.L.); (J.-Y.J.)
- Correspondence: ; Tel.: +82-2-2258-6743
| | - Jooyeon Lee
- Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (H.P.); (J.L.); (K.L.); (S.-E.L.); (J.-Y.J.)
- Department of Applied Statistics, Hanyang University, Seoul 04763, Korea
| | - Juyoung Pak
- Department of Radiology, Soonchunhyang University Cheoan Hospital, Cheonan 31151, Korea;
| | - Koeun Lee
- Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (H.P.); (J.L.); (K.L.); (S.-E.L.); (J.-Y.J.)
| | - Seung-Eun Lee
- Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (H.P.); (J.L.); (K.L.); (S.-E.L.); (J.-Y.J.)
| | - Joon-Yong Jung
- Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (H.P.); (J.L.); (K.L.); (S.-E.L.); (J.-Y.J.)
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Kim J, Park S, Zoh KE, Park J, Choi S, Hwang SH, Lee SY, Park DU. Review of Inhalation Health Risks Involving Chloromethylisothiazolinone (CMIT) and Methylisothiazolinone (MIT) Used as Disinfectants in Household Humidifiers. J Korean Med Sci 2022; 37:e101. [PMID: 35380026 PMCID: PMC8980362 DOI: 10.3346/jkms.2022.37.e101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 03/08/2022] [Indexed: 11/24/2022] Open
Abstract
The association between lung injury and exposure to humidifier disinfectant (HD) containing a mixture of chloromethylisothiazolinone (CMIT) and methylisothiazolinone (MIT) has been controversial in South Korea. This study conducts a literature review in order to evaluate the likelihood of CMIT/MIT reaching the lower part of the respiratory tract and causing lung injury. A literature review focused on the inhalation risk of HD containing a mixture of CMIT and MIT. The major contents included the physicochemical properties of CMIT and MIT contained in HDs and methodological reviews on substance analysis, toxicity tests and clinical cases. HD products marketed in South Korea have been reported to contain approximately 1-2% CMIT and 0.2-0.6% MIT along with magnesium nitrate (20-25%), magnesium chloride (0.2-1.0%), and water (70-75%). The types of CMIT and MIT dispersed into the air and deposited in the respiratory tract are assumed to be either gaseous substances or nanoparticles mixed with magnesium salts. The result of the literature review including clinical cases of lung injury among CMIT/MIT HD product users, demonstrated that these chemicals likely reach the lower respiratory tract and accordingly cause lung injury. A number of humidifier disinfectant-associated lung injury cases with clinical evidence should be prioritized in risk assessment of HD containing CMIT and MIT, even though there might be insufficient evidence in all related areas, including inhalation exposure assessment studies, animal testing, and epidemiological studies.
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Affiliation(s)
- Jiwon Kim
- Department of Environmental Health, Korea National Open University, Seoul, Korea
- Department of Anthropology, Johns Hopkins University, Baltimore, MD, USA
| | - Soyoung Park
- Department of Occupational and Environmental Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Kyung Ehi Zoh
- Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul, Korea
| | - Jihoon Park
- Chemical Safety Management Department, Nakdong River Basin Environmental Office, Ministry of Environment, Changwon, Korea
| | - Sangjun Choi
- Graduate School of Public Health and Healthcare Management, The Catholic University of Korea, Seoul, Korea
| | - Sung Ho Hwang
- National Cancer Control Institute, National Cancer Center, Goyang, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma and Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dong-Uk Park
- Department of Environmental Health, Korea National Open University, Seoul, Korea.
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Kang SY, Choi MG, Wei ET, Selescu T, Lee SY, Kim JC, Chung BY, Park CW, Kim HO. TRPM8 agonist (cryosim-1) gel for scalp itch: A randomized, vehicle controlled clinical trial. J Eur Acad Dermatol Venereol 2022; 36:e588-e589. [PMID: 35293031 DOI: 10.1111/jdv.18080] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- S Y Kang
- Department of Dermatology, Kangnam Sacred Heart Hospital, Hallym University, Seoul, Korea
| | - M G Choi
- Department of Computer Science and Engineering, Kwangwoon University, Seoul, Korea
| | - E T Wei
- School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - T Selescu
- Department of Anatomy, Physiology and Biophysics, Faculty of Biology, University of Bucharest, Bucuresti, Romania
| | - S Y Lee
- Department of Dermatology, Kangnam Sacred Heart Hospital, Hallym University, Seoul, Korea
| | - J C Kim
- Department of Dermatology, Kangnam Sacred Heart Hospital, Hallym University, Seoul, Korea
| | - B Y Chung
- Department of Dermatology, Kangnam Sacred Heart Hospital, Hallym University, Seoul, Korea
| | - C W Park
- Department of Dermatology, Kangnam Sacred Heart Hospital, Hallym University, Seoul, Korea
| | - H O Kim
- Department of Dermatology, Kangnam Sacred Heart Hospital, Hallym University, Seoul, Korea
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Yoon J, Kim JS, Suh DI, Lee SY, Shin YH, Kim KW, Ahn K, Shin YJ, Lee KS, Park MJ, Song KB, Choi EJ, Cho HJ, Jung S, Hong SJ. Internalizing behavior problems in early life are associated with the risk of childhood asthma: The COCOA study. J Allergy Clin Immunol 2022. [DOI: 10.1016/j.jaci.2021.12.308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Kim JH, Lee SH, Kang MJ, Hwang SG, Park YM, Kim BS, Lee SY, Kim SA, Park MJ, Song KB, Choi EJ, Jung S, Hong SJ. Host-microbial interactions between PTGR2 and Bifidobacterium in the early life gut of atopic dermatitis children. Pediatr Allergy Immunol 2022; 33:e13724. [PMID: 34936126 DOI: 10.1111/pai.13724] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/13/2021] [Accepted: 12/17/2021] [Indexed: 12/01/2022]
Abstract
BACKGROUND Gut microbiota dysbiosis is linked to the development and responses of the immune system and can play an important role in the onset of allergic diseases including atopic dermatitis (AD). This study investigated the association between host genetics and the gut microbiota in AD. METHODS A global gene expression profiling of the gut epithelial colonocytes, genetic variations analysis, and the gut microbial composition analysis were performed. RESULTS This study identified the upregulation of PTGR2 (p = .028), a gene involved in prostaglandin catalysis and inflammatory responses, as a potential risk factor for AD. In subsequent fine mapping analysis using 17 single nucleotide polymorphisms (SNPs) of PTGR2 in 864 Korean subjects (420 AD patients and 444 unaffected controls), several SNPs and haplotypes showed significant associations with AD and its SCORing AD (SCORAD) values (p = .002). To investigate host-microbial interactions, further gut microbiota data and genotypes were obtained from an independent cohort of 176 subjects (91 AD patients and 85 controls). From correlation analysis, a significantly negative association between SNP and Bifidobacterium abundance was observed in AD patients (p = .005). In additional observations of PTGR2-associated downstream molecules, NRF2 (p = .004) and several antioxidant genes (GSTT1, GCLC, GPX1; p < .05) showed significantly reduced expression in AD patients. CONCLUSIONS Our current findings suggest that the interaction between PTGR2 dysregulated expression and a Bifidobacterium abundance affects a higher risk of AD and a more severe onset.
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Affiliation(s)
- Jeong-Hyun Kim
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung-Hwa Lee
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Mi-Jin Kang
- Humidifier Disinfectant Health Center, Asan Medical Center, Seoul, Korea
| | - Sun-Goo Hwang
- Department of Environment and Applied Plant Science, Sangji University, Wonju, Korea
| | - Yoon Mee Park
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Korea
| | - Bong-Soo Kim
- Department of Life Science, Multidisciplinary Genome Institute, Hallym University, Chuncheon, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Shin Ah Kim
- Asan Medical Center, Humidifier Disinfectant Health Center, Seoul, Korea
| | - Min Jee Park
- Department of Pediatrics, Uijeongbu Eulji Medical Center, Uijeongbu, Korea
| | - Kun Baek Song
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Eom Ji Choi
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Jeon YH, Ahn K, Kim J, Shin M, Hong SJ, Lee SY, Pyun BY, Min TK, Jung M, Lee J, Song TW, Kim HY, Lee S, Jeong K, Hwang Y, Kim M, Lee YJ, Kim MJ, Lee JY, Yum HY, Jang GC, Park YA, Kim JH. Clinical Characteristics of Atopic Dermatitis in Korean School-Aged Children and Adolescents According to Onset Age and Severity. J Korean Med Sci 2022; 37:e30. [PMID: 35075829 PMCID: PMC8787802 DOI: 10.3346/jkms.2022.37.e30] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/01/2021] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Atopic dermatitis (AD) is a heterogeneous disease with different age of onset, disease course, clinical symptoms, severity, and risk of comorbidity. The characteristics of children with AD also vary by age or country. However, little is known about the clinical characteristics of AD in Korean school-aged children and adolescents. Furthermore, there are few studies on phenotypic differences according to onset age. This study aimed to explore the clinical characteristics and phenotypes according to onset age and severity of AD in children and adolescents in Korea. METHODS AD patients aged 6-18 years who presented to 18 hospitals nationwide were surveyed. The patients were examined for disease severity by pediatric allergy specialists, and data on history of other allergic diseases, familial allergy history, onset age, trigger factors, lesion sites, treatment history and quality of life were collected. The results of the patient's allergy test were also analyzed. The patients were classified into infancy-onset (< 2 years of age), preschool-onset (2-5 years of age), and childhood-onset (≥ 6 years of age) groups. Study population was analyzed for clinical features according to onset-age groups and severity groups. RESULTS A total of 258 patients with a mean age of 10.62 ± 3.18 years were included in the study. Infancy-onset group accounted for about 60% of all patients and presented significantly more other allergic diseases, such as allergic rhinitis and asthma (P = 0.002 and P = 0.001, respectively). Food allergy symptoms and diagnoses were highly relevant to both earlier onset and more severe group. Inhalant allergen sensitization was significantly associated with both infancy-onset group and severe group (P = 0.012 and P = 0.024, respectively). A family history of food allergies was significantly associated with infancy-onset group (P = 0.036). Severe group was significantly associated with a family history of AD, especially a paternal history of AD (P = 0.048 and P = 0.004, respectively). Facial (periorbital, ear, and cheek) lesions, periauricular fissures, hand/foot eczema, and xerosis were associated with infancy-onset group. The earlier the onset of AD, the poorer the quality of life (P = 0.038). Systemic immunosuppressants were used in only 9.6% of the patients in the severe group. CONCLUSION This study analyzed the clinical features of AD in Korean children and adolescents through a multicenter nationwide study and demonstrated the phenotypic differences according to onset age and severity. Considering the findings that the early-onset group is more severe and accompanied by more systemic allergic diseases, early management should be emphasized in young children and infants.
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Affiliation(s)
- You Hoon Jeon
- Department of Pediatrics, Hallym University, Dongtan Sacred Heart Hospital, Hwaseong, Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jihyun Kim
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Meeyong Shin
- Department of Pediatrics, Soonchunhyang University Bucheon Hospital, Soonchunhyang University College of Medicine, Bucheon, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Bok Yang Pyun
- Department of Pediatrics, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Taek Ki Min
- Department of Pediatrics, Soonchunhyang University Seoul Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Minyoung Jung
- Department of Pediatrics, Kosin University Gospel Hospital, Kosin University School of Medicine, Busan, Korea
| | - Jeongmin Lee
- Department of Pediatrics, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Tae Won Song
- Department of Pediatrics, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
| | - Hye-Young Kim
- Department of Pediatrics, Medical Research Institute, Pusan National University School of Medicine, Pusan National University Hospital, Busan, Korea
| | - Sooyoung Lee
- Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea
| | - Kyunguk Jeong
- Department of Pediatrics, Ajou University School of Medicine, Suwon, Korea
| | - Yoonha Hwang
- Department of Pediatrics, Busan St. Mary's Hospital, Busan, Korea
| | - Minji Kim
- Department of Pediatrics, Chungnam National University Sejong Hospital, Chungnam National University College of Medicine, Sejong, Korea
| | - Yong Ju Lee
- Department of Pediatrics, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
| | - Min Jung Kim
- Department of Pediatrics, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, Korea
| | - Ji Young Lee
- Department of Pediatrics, Hallym University Chuncheon Sacred Heart Hospital, Chuncheon, Korea
| | - Hye Yung Yum
- Department of Pediatrics, Seoul Medical Center, Seoul, Korea
| | - Gwang Cheon Jang
- Department of Pediatrics, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Young A Park
- Department of Pediatrics, CHA Ilsan Hospital, CHA University School of Medicine, Goyang, Korea
| | - Jeong Hee Kim
- Department of Pediatrics, Inha University Hospital, College of Medicine, Inha University, Incheon, Korea.
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Jiang Z, Li J, Kong N, Kim JH, Kim BS, Lee MJ, Park YM, Lee SY, Hong SJ, Sul JH. Accurate diagnosis of atopic dermatitis by combining transcriptome and microbiota data with supervised machine learning. Sci Rep 2022; 12:290. [PMID: 34997172 PMCID: PMC8741793 DOI: 10.1038/s41598-021-04373-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 12/14/2021] [Indexed: 11/16/2022] Open
Abstract
Atopic dermatitis (AD) is a common skin disease in childhood whose diagnosis requires expertise in dermatology. Recent studies have indicated that host genes–microbial interactions in the gut contribute to human diseases including AD. We sought to develop an accurate and automated pipeline for AD diagnosis based on transcriptome and microbiota data. Using these data of 161 subjects including AD patients and healthy controls, we trained a machine learning classifier to predict the risk of AD. We found that the classifier could accurately differentiate subjects with AD and healthy individuals based on the omics data with an average F1-score of 0.84. With this classifier, we also identified a set of 35 genes and 50 microbiota features that are predictive for AD. Among the selected features, we discovered at least three genes and three microorganisms directly or indirectly associated with AD. Although further replications in other cohorts are needed, our findings suggest that these genes and microbiota features may provide novel biological insights and may be developed into useful biomarkers of AD prediction.
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Affiliation(s)
- Ziyuan Jiang
- Department of Automation, Tsinghua University, Beijing, 100084, China
| | - Jiajin Li
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Nahyun Kong
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon, Daejeon, 34141, Republic of Korea
| | - Jeong-Hyun Kim
- Department of Medicine, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Bong-Soo Kim
- Department of Life Science, Multidisciplinary Genome Institute, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Min-Jung Lee
- Department of Life Science, Multidisciplinary Genome Institute, Hallym University, Chuncheon, 24252, Republic of Korea
| | - Yoon Mee Park
- Department of Medicine, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - So-Yeon Lee
- Department of Pediatrics, Asan Medical Center, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Asan Medical Center, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, University of Ulsan College of Medicine, Seoul, 05505, Republic of Korea.
| | - Jae Hoon Sul
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, 90095, USA.
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Ahn JR, Lee SH, Kim B, Nam MH, Ahn YK, Park YM, Jeong SM, Park MJ, Song KB, Lee SY, Hong SJ. Ruminococcus gnavus ameliorates atopic dermatitis by enhancing Treg cell and metabolites in BALB/c mice. Pediatr Allergy Immunol 2022; 33:e13678. [PMID: 34633714 DOI: 10.1111/pai.13678] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND Ruminococcus gnavus (R. gnavus) are mucin-degrading gut bacteria that play a key role in the early colonization of the gut by serving as endogenous sources of nutrients. They can also influence immune development. We had previously reported a lower abundance of R. gnavus in infants with atopic dermatitis (AD) compared with that in healthy subjects. However, the underlying mechanisms remain unclear. In this study, we investigated the effect of orally administered R. gnavus on antibiotic treatment-induced gut dysbiosis (and the underlying mechanism) in a mouse model of AD. METHODS Four-week-old female BALB/C mice were administered antibiotic cocktails for 2 weeks. R. gnavus was orally administered throughout the study duration. At 6 weeks of age, AD was induced by epidermal sensitization with ovalbumin. AD phenotypes and systemic and gut immune responses were investigated. RESULTS Orally administered R. gnavus significantly reduced AD-associated parameters (i.e., transepidermal water loss, clinical score, total serum immunoglobulin (Ig) E level, OVA-specific IgE level, and skin inflammation). R. gnavus treatment also resulted in significant downregulation of T helper 2-related cytokine mRNA and upregulation of interleukin (IL)-10 and Foxp3 in the skin. The population of CD4+ FOXP3+ T cells in mesenteric- and skin-draining lymph nodes and butyrate levels in the cecum increased in R. gnavus-administered AD mice. CONCLUSIONS Immune modulation by orally administered R. gnavus may alleviate AD symptoms through the enhancement of regulatory T-cell counts and short-chain fatty acids production in AD mice.
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Affiliation(s)
- Jae-Rin Ahn
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung-Hwa Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Byunghyun Kim
- Korea Basic Science Institute, Seoul Center, Seoul, Korea
| | - Myung Hee Nam
- Korea Basic Science Institute, Seoul Center, Seoul, Korea
| | - Yoon Kyung Ahn
- Korea Basic Science Institute, Western Seoul Center, Seoul, Korea
| | - Yoon Mee Park
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Seon-Mi Jeong
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul, Korea
| | - Min Jee Park
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kun Baek Song
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Kim M, Jee WH, Lee Y, Hong JH, Jung CK, Chung YG, Lee SY. Tumor Margin Infiltration in Soft Tissue Sarcomas: Prediction Using 3T MRI Texture Analysis. J Korean Soc Radiol 2022; 83:112-126. [PMID: 36237350 PMCID: PMC9238208 DOI: 10.3348/jksr.2021.0037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/27/2021] [Accepted: 05/11/2021] [Indexed: 11/15/2022]
Affiliation(s)
- Minji Kim
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Radiology, Uijeongbu St. Mary's hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Won-Hee Jee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Youngjun Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Radiology, Uijeongbu St. Mary's hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ji Hyun Hong
- Department of Radiology, Kangdong Seong-Sim Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Chan Kwon Jung
- Department of Pathology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yang-Guk Chung
- Departments of Orthopedic Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - So-Yeon Lee
- Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Jeong ES, Bajgai J, You IS, Rahman MH, Fadriquela A, Sharma S, Kwon HU, Lee SY, Kim CS, Lee KJ. Therapeutic Effects of Hydrogen Gas Inhalation on Trimethyltin-Induced Neurotoxicity and Cognitive Impairment in the C57BL/6 Mice Model. Int J Mol Sci 2021; 22:ijms222413313. [PMID: 34948107 PMCID: PMC8703468 DOI: 10.3390/ijms222413313] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 12/04/2022] Open
Abstract
Oxidative stress (OS) is one of the causative factors in the pathogenesis of various neurodegenerative diseases, including Alzheimer’s disease (AD) and cognitive dysfunction. In the present study, we investigated the effects of hydrogen (H2) gas inhalation in trimethyltin (TMT)-induced neurotoxicity and cognitive dysfunction in the C57BL/6 mice. First, mice were divided into the following groups: mice without TMT injection (NC), TMT-only injection group (TMT only), TMT injection + lithium chloride-treated group as a positive control (PC), and TMT injection + 2% H2 inhalation-treated group (H2). The TMT injection groups were administered a single dosage of intraperitoneal TMT injection (2.6 mg/kg body weight) and the H2 group was treated with 2% H2 for 30 min once a day for four weeks. Additionally, a behavioral test was performed with Y-maze to test the cognitive abilities of the mice. Furthermore, multiple OS- and AD-related biomarkers such as reactive oxygen species (ROS), nitric oxide (NO), calcium (Ca2+), malondialdehyde (MDA), glutathione peroxidase (GPx), catalase, inflammatory cytokines, apolipoprotein E (Apo-E), amyloid β (Aβ)-40, phospho-tau (p-tau), Bcl-2, and Bcl-2- associated X (Bax) were investigated in the blood and brain. Our results demonstrated that TMT exposure alters seizure and spatial recognition memory. However, after H2 treatment, memory deficits were ameliorated. H2 treatment also decreased AD-related biomarkers, such as Apo-E, Aβ-40, p-tau, and Bax and OS markers such as ROS, NO, Ca2+, and MDA in both serum and brain. In contrast, catalase and GPx activities were significantly increased in the TMT-only group and decreased after H2 gas treatment in serum and brain. In addition, inflammatory cytokines such as granulocyte colony-stimulating factors (G-CSF), interleukin (IL)-6, and tumor necrosis factor alpha (TNF-α) were found to be significantly decreased after H2 treatment in both serum and brain lysates. In contrast, Bcl-2 and vascular endothelial growth factor (VEGF) expression levels were found to be enhanced after H2 treatment. Taken together, our results demonstrated that 2% H2 gas inhalation in TMT-treated mice exhibits memory enhancing activity and decreases the AD, OS, and inflammatory-related markers. Therefore, H2 might be a candidate for repairing neurodegenerative diseases with cognitive dysfunction. However, further mechanistic studies are needed to fully clarify the effects of H2 inhalation on TMT-induced neurotoxicity and cognitive dysfunction.
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Affiliation(s)
- Eun-Sook Jeong
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea; (E.-S.J.); (J.B.); (M.H.R.); (S.S.); (C.-S.K.)
| | - Johny Bajgai
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea; (E.-S.J.); (J.B.); (M.H.R.); (S.S.); (C.-S.K.)
| | - In-Soo You
- GOOTZ Co., Ltd., 79-6, Yuljeong-ro 247 beon-gil, Yangju-si, Suwon 11457, Korea; (I.-S.Y.); (H.-U.K.); (S.-Y.L.)
| | - Md. Habibur Rahman
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea; (E.-S.J.); (J.B.); (M.H.R.); (S.S.); (C.-S.K.)
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea
| | - Ailyn Fadriquela
- Department of Laboratory Medicine, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea;
| | - Subham Sharma
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea; (E.-S.J.); (J.B.); (M.H.R.); (S.S.); (C.-S.K.)
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea
| | - Hwang-Un Kwon
- GOOTZ Co., Ltd., 79-6, Yuljeong-ro 247 beon-gil, Yangju-si, Suwon 11457, Korea; (I.-S.Y.); (H.-U.K.); (S.-Y.L.)
| | - So-Yeon Lee
- GOOTZ Co., Ltd., 79-6, Yuljeong-ro 247 beon-gil, Yangju-si, Suwon 11457, Korea; (I.-S.Y.); (H.-U.K.); (S.-Y.L.)
| | - Cheol-Su Kim
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea; (E.-S.J.); (J.B.); (M.H.R.); (S.S.); (C.-S.K.)
| | - Kyu-Jae Lee
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea; (E.-S.J.); (J.B.); (M.H.R.); (S.S.); (C.-S.K.)
- Correspondence: ; Tel.: +82-(033)-741-331
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Lamichhane DK, Jung DY, Shin YJ, Lee KS, Lee SY, Ahn K, Kim KW, Shin YH, Suh DI, Hong SJ, Kim HC. Association between ambient air pollution and perceived stress in pregnant women. Sci Rep 2021; 11:23496. [PMID: 34873215 PMCID: PMC8648786 DOI: 10.1038/s41598-021-02845-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 11/17/2021] [Indexed: 11/23/2022] Open
Abstract
Air pollution may influence prenatal maternal stress, but research evidence is scarce. Using data from a prospective cohort study conducted on pregnant women (n = 2153), we explored the association between air pollution and perceived stress, which was assessed using the 14-item Perceived Stress Scale (PSS), among pregnant women. Average exposures to particulate matter with an aerodynamic diameter of < 2.5 µm (PM2.5) or < 10 µm (PM10), nitrogen dioxide (NO2), and ozone (O3) for each trimester and the entire pregnancy were estimated at maternal residential addresses using land-use regression models. Linear regression models were applied to estimate associations between PSS scores and exposures to each air pollutant. After adjustment for potential confounders, interquartile-range (IQR) increases in whole pregnancy exposures to PM2.5, PM10, and O3 in the third trimester were associated with 0.37 (95% confidence interval [CI] 0.01, 0.74), 0.54 (95% CI 0.11, 0.97), and 0.30 (95% CI 0.07, 0.54) point increases in prenatal PSS scores, respectively. Furthermore, these associations were more evident in women with child-bearing age and a lower level of education. Also, the association between PSS scores and PM10 was stronger in the spring. Our findings support the relationship between air pollution and prenatal maternal stress.
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Affiliation(s)
- Dirga Kumar Lamichhane
- grid.202119.90000 0001 2364 8385Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Republic of Korea
| | - Dal-Young Jung
- grid.202119.90000 0001 2364 8385Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Republic of Korea
| | - Yee-Jin Shin
- grid.15444.300000 0004 0470 5454Department of Psychiatry, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyung-Sook Lee
- grid.444037.00000 0000 9208 7123Department of Rehabilitation, Hanshin University, Osan, Gyeonggi-do Republic of Korea
| | - So-Yeon Lee
- grid.413967.e0000 0001 0842 2126Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kangmo Ahn
- grid.414964.a0000 0001 0640 5613Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea ,grid.414964.a0000 0001 0640 5613Environmental Health Center for Atopic Diseases, Samsung Medical Center, Seoul, Republic of Korea
| | - Kyung Won Kim
- grid.15444.300000 0004 0470 5454Department of Pediatrics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Youn Ho Shin
- grid.413793.b0000 0004 0624 2588Department of Pediatrics, CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, Republic of Korea
| | - Dong In Suh
- grid.31501.360000 0004 0470 5905Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Hwan-Cheol Kim
- Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Republic of Korea.
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Kim JH, Kim K, Yeom J, Lee E, Kang MJ, Lee SH, Kim K, Lee SY, Hong SB, Oh DK, Lee K, Choi SJ, Yang MJ, Kim J, Hong SJ. Integrative multi-omics approach for mechanism of humidifier disinfectant-associated lung injury. Clin Transl Med 2021; 11:e562. [PMID: 34841713 PMCID: PMC8567041 DOI: 10.1002/ctm2.562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/13/2021] [Accepted: 08/18/2021] [Indexed: 11/09/2022] Open
Affiliation(s)
- Jeong-Hyun Kim
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kwoneel Kim
- Department of Biology, Kyung Hee University, Seoul, Republic of Korea
| | - Jeonghun Yeom
- Convergence Medicine Research Center, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Eun Lee
- Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Mi-Jin Kang
- Asan Medical Center, Humidifier Disinfectant Health Center, Seoul, Republic of Korea
| | - Seung-Hwa Lee
- Department of Medicine, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kyunggon Kim
- Department of Convergence Medicine, Asan Institute for Life Science, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sang-Bum Hong
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Dong Kyu Oh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kyuhong Lee
- National Center for Efficacy Evaluation of Respiratory Disease Product, Korea Institute of Toxicology, Jeollabuk-do, Republic of Korea.,Department of Human and Environmental Toxicology, University of Science & Technology, Daejeon, Republic of Korea
| | - Seong-Jin Choi
- Department of Inhalation Toxicology Research, Korea Institute of Toxicology, Jeollabuk-do, Republic of Korea
| | - Mi-Jin Yang
- Department of Pathology Research, Korea Institute of Toxicology, Jeollabuk-do, Republic of Korea
| | - Jiyeon Kim
- Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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47
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Kim JC, Lee SY, Kang SY, Kim HO, Park CW, Chung BY. Erythema annulare centrifugum induced by COVID-19 vaccination. Clin Exp Dermatol 2021; 47:591-592. [PMID: 34731529 PMCID: PMC8652630 DOI: 10.1111/ced.15002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/27/2021] [Accepted: 11/01/2021] [Indexed: 12/19/2022]
Affiliation(s)
- J C Kim
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - S Y Lee
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - S Y Kang
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - H O Kim
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - C W Park
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - B Y Chung
- Department of Dermatology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
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Park MJ, Lee SY, Lee SH, Kang MJ, Song KB, Jung S, Yoon JS, Suh DI, Shin YH, Kim KW, Ahn K, Hong SJ. Effect of early-life antibiotic exposure and IL-13 polymorphism on atopic dermatitis phenotype. Pediatr Allergy Immunol 2021; 32:1445-1454. [PMID: 33960015 DOI: 10.1111/pai.13531] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 04/28/2021] [Accepted: 04/30/2021] [Indexed: 12/17/2022]
Abstract
BACKGROUND Although atopic dermatitis (AD) is associated with certain gene variants, the rapidly increasing incidence of AD suggests that environmental factors contribute to disease development. In this study, we investigated the association of AD incidence and phenotype with antibiotic exposure within 6 months of age, considering the dose administered and genetic risk. METHODS This study included 1637 children from the COCOA cohort. Pediatric allergists assessed the presence of AD at each visit and obtained information about antibiotic exposure for more than 3 days. IL-13 (rs20541) polymorphism was genotyped by the TaqMan method. We stratified the AD phenotypes into four groups and used multinomial logistic regression models for analysis. RESULTS Antibiotic exposure within 6 months of age was found to increase the risk of AD within 3 years of life (aOR = 1.40; 95% CI, 1.09-1.81) in dose-dependent manner. Antibiotic exposure more than twice increased the risk of the early-persistent AD phenotype (aOR = 2.50; 95% CI, 1.35-4.63). There was a weak interaction between genetic polymorphisms and environmental factors on the development of AD (p for interaction = 0.06). Children with the IL-13 (rs20541) GA + AA genotype have a higher risk of the early-persistent AD phenotype when exposed to antibiotics more than twice than those with the IL-13 (rs20541) GG genotype and without exposure to antibiotics (aOR = 4.73; 95% CI, 2.01-11.14). CONCLUSION Antibiotic exposure within 6 months was related to the incidence of early-persistent AD and a dose-dependent increase in the incidence of AD in childhood, whose effect was modified by the IL-13 (rs20541) genotype.
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Affiliation(s)
- Min Jee Park
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Si Hyeon Lee
- Asan Institute for Life Science, Asan Medical Center, Ulsan University College of Medicine, Seoul, South Korea
| | - Mi-Jin Kang
- Humidifier Disinfectant Health Center, Asan Medical Center, Seoul, South Korea
| | - Kun Baek Song
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sungsu Jung
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, South Korea
| | - Ji-Sun Yoon
- Department of Pediatrics, Incheon Sejong Hospital, Incheon, South Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, South Korea
| | - Youn Ho Shin
- Department of Pediatrics, CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
| | - Kyung Won Kim
- Department of Pediatrics, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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Park JS, Suh DI, Choi YJ, Ahn K, Kim KW, Shin YH, Lee SY, Cho HJ, Lee E, Jang GC, Kwon JW, Sun YH, Woo SI, Youn YS, Park KS, Kook MH, Cho HJ, Chung HL, Kim JH, Kim HY, Jung JA, Woo HO, Choi YK, Lee JR, Lee YA, Shin CH, Kim BN, Kim JI, Lee KS, Lim YH, Hong YC, Hong SJ. Pulmonary function of healthy Korean children from three independent birth cohorts: Validation of the Global Lung Function Initiative 2012 equation. Pediatr Pulmonol 2021; 56:3310-3320. [PMID: 34375041 DOI: 10.1002/ppul.25622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 07/16/2021] [Accepted: 08/08/2021] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND OBJECTIVE Global Lung Function Initiative (GLI) 2012 equations were developed to resolve the age-related disparity in interpreting spirometry results. Local validation of the equation is needed, especially in Northeast Asian children. This study evaluated the GLI equation in Korean children. METHODS Spirometry indices (FEV1, FVC, FEV1/FVC, and FEF25%-75%) and clinical information were gathered from three population-based birth cohorts. Predicted GLI reference values and z scores of spirometry results were calculated for 1239 healthy children. The mean, standard deviation of z scores were compared with the expected 0 and 1. Probabilities of falling below the lower limit of normal (LLN) (z score: -1.64) were compared with the expected value 5%. GLI z scores were assessed according to low (<-2), normal (≥-2 and ≤2), and high (>2) BMI z score groups. RESULTS Mean z scores significantly differed from 0 for FEV1/FVC in males (mean [95% confidence interval]: 0.18 [0.08, 0.27]) and forced expiratory volume in 1 s (FEV1) and forced vital capacity (FVC) in females (-0.23 [-0.31, -0.15] and -0.26 [-0.36, -0.16], respectively). The standard deviation was larger than 1 for all variables in males and FVC and FEV1/FVC in females. The probability of falling below the LLN was significantly larger than 5% for FEV1 (12.13% [9.64, 14.77]), FVC (15.86% [13.06, 18.81]), and forced expiratory flow at 25%-75% of forced vital capacity (FEF25%-75%) (7.31% [5.29, 9.49]) in males and FVC (11.91% [9.40, 14.60]) in females. FEV1 and FVC z scores increased across low to high body mass index (BMI) groups, and FEV1/FVC decreased from low to high BMI groups. CONCLUSION GLI equations marginally differ from real-world values, which should be considered by pulmonologists in practice or research.
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Affiliation(s)
- Ji Soo Park
- Department of Pediatrics, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yun Jung Choi
- Department of Pediatrics, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University, Seoul, Republic of Korea
| | - Kyung Won Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Youn Ho Shin
- Department of Pediatrics, CHA Gangnam Medical Center, School of Medicine, CHA University, Seoul, Republic of Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hyun-Ju Cho
- Department of Pediatrics, International St. Mary's Hospital, Catholic Kwandong University Hospital, Incheon, Republic of Korea
| | - Eun Lee
- Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Gwang Cheon Jang
- Department of Pediatrics, National Health Insurance Service Ilsan Hospital, Goyang, Republic of Korea
| | - Ji-Won Kwon
- Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Yong Han Sun
- Department of Pediatrics, Gachon University Gil Medical Center, Incheon, Republic of Korea
| | - Sung-Il Woo
- Department of Pediatrics, College of Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - You-Sook Youn
- Departments of Pediatrics, College of Medicine, The Catholic University of Korea, Daejeon, Republic of Korea
| | - Kang Seo Park
- Department of Pediatrics, Presbyterian Medical Center, Jeonju, Republic of Korea
| | - Myung-Hee Kook
- Department of Pediatrics, Gwangju Veterans Hospital, Gwangju, Republic of Korea
| | - Hwa Jin Cho
- Department of Pediatrics, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Hai Lee Chung
- Department of Pediatrics, Catholic University of Daegu School of Medicine, Daegu, Republic of Korea
| | - Ja Hyung Kim
- Department of Pediatrics, Ulsan University Hospital, Ulsan, Republic of Korea
| | - Hyung Young Kim
- Department of Pediatrics, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea
| | - Jin A Jung
- Department of Pediatrics, Anatomy, College of Medicine, Dong-A University, Busan, Republic of Korea
| | - Hyang-Ok Woo
- Departments of Pediatrics, Gyeongsang National University College of Medicine, Jinju, Republic of Korea
| | - Yoon Kyung Choi
- Korea Institute of Child Care and Education, Seoul, Republic of Korea
| | - Jeong Rim Lee
- Korea Institute of Child Care and Education, Seoul, Republic of Korea
| | - Young Ah Lee
- Department of Pediatrics, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Choong Ho Shin
- Department of Pediatrics, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Boong Nyun Kim
- Department of Psychiatry, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Johanna I Kim
- Department of Psychiatry, Hanyang University Medical Center, Seoul, Republic of Korea
| | - Kyung-Shin Lee
- Environmental Health Center, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Youn Hee Lim
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen, Denmark.,Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea
| | - Yun-Chul Hong
- Environmental Health Center, Seoul National University College of Medicine, Seoul, Republic of Korea.,Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea.,Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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50
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Lee SY, Sung H, Kim PS, Kim HS, Lee JY, Lee JY, Jeong YS, Tak EJ, Han JE, Hyun DW, Bae JW. Description of Ornithinimicrobium ciconiae sp. nov., and Ornithinimicrobium avium sp. nov., isolated from the faeces of the endangered and near-threatened birds. J Microbiol 2021; 59:978-987. [PMID: 34570338 DOI: 10.1007/s12275-021-1323-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/10/2021] [Accepted: 08/17/2021] [Indexed: 10/20/2022]
Abstract
Phenotypic and genomic analyses were performed to characterize two novel species, H23M54T and AMA3305T, isolated from the faeces of the Oriental stork (Ciconia boyciana) and the cinereous vulture (Aegypius monachus), respectively. Strains H23M54T and AMA3305T showed the highest similarities of 16S rRNA gene sequences and complete genome sequences with Ornithinimicrobium cavernae CFH 30183T (98.5% of 16S rRNA gene sequence similarity and 82.1% of average nucleotide identity, ANI) and O. pekingense DSM 21552T (98.5% of 16S rRNA gene sequence similarity and 82.3% of ANI), respectively. Both strains were Gram-stain-positive, obligate aerobes, non-motile, non-spore-forming, and coccoid- and rodshaped. Strain H23M54T grew optimally at 25-30°C and pH 8.0 and in the presence of 1.5-2% (wt/vol) NaCl, while strain AMA3305T grew optimally at 30°C and pH 7.0 and in the presence of 1-3% (wt/vol) NaCl. Both strains had iso-C15:0, iso-C16:0, and summed feature 9 (iso-C17:1ω9c and/or C16:0 10-methyl) as major cellular fatty acids. MK-8 (H4) was identified as the primary respiratory quinone in both strains. Strains H23M54T and AMA3305T possessed diphosphatidylglycerol and phosphatidylglycerol as major polar lipids. Moreover, strains H23M54T and AMA3305T commonly contained ribose and glucose as major sugars and L-ornithine, L-alanine, glycine, and aspartic acid as major amino acids. The polyphasic taxonomic data indicate that strains H23M54T and AMA3305T represent novel species of the genus Ornithinimicrobium. We propose the names Ornithinimicrobium ciconiae sp. nov. and Ornithinimicrobium avium sp. nov. for strains H23M54T (= KCTC 49151T = JCM 33221T) and AMA3305T (= KCTC 49180T = JCM 32873T), respectively.
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Affiliation(s)
- So-Yeon Lee
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hojun Sung
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Pil Soo Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Hyun Sik Kim
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jae-Yun Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - June-Young Lee
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Yun-Seok Jeong
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Euon Jung Tak
- Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jeong Eun Han
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Dong-Wook Hyun
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jin-Woo Bae
- Department of Biology and Department of Biomedical and Pharmaceutical Sciences, Kyung Hee University, Seoul, 02447, Republic of Korea. .,Department of Life and Nanopharmaceutical Sciences and Department of Biology, Kyung Hee University, Seoul, 02447, Republic of Korea.
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